/*------------------------------------------------------------------------
    - HTML Table Filter Generator v1.9.4
    - By Max Guglielmi (tablefilter.free.fr)
    - Licensed under the MIT License
--------------------------------------------------------------------------
Copyright (c) 2009 Max Guglielmi
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--------------------------------------------------------------------------
    - Special credit to: 
    Cedric Wartel, cnx.claude@free.fr, Florent Hirchy, Váry Péter, 
    Anthony Maes, Nuovella Williams, Fuggerbit, 
    Venkata Seshagiri Rao Raya
    for active contribution and inspiration
------------------------------------------------------------------------*/
function setFilterGrid(id)
/*====================================================
    - Sets filters grid bar
    - Calls TF Constructor and generates grid bar
    - Params:
            - id: table id (string)
            - refRow (optional): row index (number)
            - config (optional): configuration 
            object (literal object)
=====================================================*/
{
    if( arguments.length==0 ) return;
    eval( 'tf_'+id+' = new TF(arguments[0],arguments[1],arguments[2])' );
    eval( 'tf_'+id+'.AddGrid();' );
}
/*===BEGIN removable section===========================
    - Unobtrusive grid bar generation using 
    'filterable' class
    - If you don't use this technique you can remove
    safely this section
/*=====================================================*/
tf_addEvent(window, 'load', initFilterGrid);
function initFilterGrid()
{
    if (!document.getElementsByTagName) return;
    var tbls = tf_Tag(document,'table'), config;
    for (var i=0; i<tbls.length; i++)
    {
        var cTbl = tbls[i], cTblId = cTbl.getAttribute('id');
        if( tf_hasClass(cTbl,'filterable') && cTblId )
        {
            if( tf_isObj(cTblId+'_config') )
                config = eval(cTblId+'_config');
            else
                config = undefined;
            setFilterGrid( cTblId,config );
        }
    }// for i
}
/*===END removable section===========================*/
var TF = function( id )
/*====================================================
    - TF object constructor
    - Params:
            - id: table id (string)
            - refRow (optional): row index (number)
            - config (optional): configuration 
            object (literal object)
=====================================================*/
{
    if( arguments.length==0 ) return;
        
    this.id = id;
    this.tbl = tf_Id(id);
    this.startRow = undefined;
    this.refRow = null;
    this.headersRow = null;
    this.fObj = null;
    this.nbFilterableRows = null;
    this.nbRows = null;
    this.nbCells = null;
    this.hasGrid = false;
    
    if(this.tbl != null && this.tbl.nodeName.tf_LCase() == 'table' && this.GetRowsNb() )
    {
        if(arguments.length>1)
        {
            for(var i=0; i<arguments.length; i++)
            {
                var argtype = typeof arguments[i];
               
                switch(argtype.tf_LCase())
                {
                    case 'number':
                        this.startRow = arguments[i];
                    break;
                    case 'object':
                        this.fObj = arguments[i];
                    break;
                }//switch                           
            }//for
        }//if
        
        var f = this.fObj;
        
        /*** filter types ***/
        this.fltTypeInp =            'input';
        this.fltTypeSlc =            'select';
        this.fltTypeMulti =            'multiple';
        this.fltTypeCheckList =        'checklist';
        this.fltTypeNone =            'none';
        
        /*** filters' grid properties ***/
        this.fltGrid =                 f!=undefined && f.grid==false ? false : true; //enables/disables filter grid
        this.filtersRowIndex =        f!=undefined && f.filters_row_index!=undefined //defines in which row filters grid bar is generated
                                        ? f.filters_row_index>1 ? 1 : f.filters_row_index : 0;
        this.fltCellTag =            f!=undefined && f.filters_cell_tag!=undefined //defines tag of the cells containing filters (td/th)
                                        ? (f.filters_cell_tag!='th' ? 'td' : 'th') : 'td';        
        this.fltIds =                 []; //stores filters ids
        this.searchArgs =            null; //stores filters values
        this.tblData =                []; //stores table data
        this.validRowsIndex =        null; //stores valid rows indexes (rows visible upon filtering)
        this.fltGridEl =            null; //stores filters row element
        this.isFirstLoad =            true; //is first load boolean 
        this.infDiv =                null; //container div for paging elements, reset btn etc.
        this.lDiv =                    null; //div for rows counter
        this.rDiv =                    null; //div for reset button and results per page select
        this.mDiv =                    null; //div for paging elements
        this.contDiv =                null; //table container div for fixed headers (IE only)
        this.infDivCssClass =        f!=undefined && f.inf_div_css_class!=undefined    //defines css class for div containing
                                        ? f.inf_div_css_class : 'inf';                //paging elements, rows counter etc.
        this.lDivCssClass =            f!=undefined && f.left_div_css_class!=undefined    //defines css class for left div 
                                        ? f.left_div_css_class : 'ldiv';
        this.rDivCssClass =            f!=undefined && f.right_div_css_class!=undefined //defines css class for right div 
                                        ? f.right_div_css_class : 'rdiv';
        this.mDivCssClass =            f!=undefined && f.middle_div_css_class!=undefined //defines css class for mid div 
                                        ? f.middle_div_css_class : 'mdiv';
        this.contDivCssClass =        f!=undefined && f.content_div_css_class!=undefined 
                                        ? f.content_div_css_class : 'cont';    //table container div css class
        
        /*** filters' grid appearance ***/
        this.fltsRowCssClass =        f!=undefined && f.flts_row_css_class!=undefined //defines css class for filters row
                                        ? f.flts_row_css_class : 'fltrow';        
        this.alternateBgs =            f!=undefined && f.alternate_rows ? true : false; //enables/disbles rows alternating bg colors
        this.hasColWidth =            f!=undefined && f.col_width ? true : false; //defines widths of columns
        this.colWidth =                f!=undefined && this.hasColWidth ? f.col_width : null;
        this.fixedHeaders =            f!=undefined && f.fixed_headers ? true : false; //enables/disables fixed headers
        this.tBodyH =                 f!=undefined && f.tbody_height ? f.tbody_height : 200; //tbody height if fixed headers enabled
        this.fltCssClass =            f!=undefined && f.flt_css_class!=undefined //defines css class for filters
                                        ? f.flt_css_class : 'flt';
        this.fltMultiCssClass =        f!=undefined && f.flt_multi_css_class!=undefined //defines css class for multiple selects filters
                                        ? f.flt_multi_css_class : 'flt_multi';
        this.fltSmallCssClass =        f!=undefined && f.flt_small_css_class!=undefined //defines css class for filters
                                        ? f.flt_small_css_class : 'flt_s';
        this.singleFltCssClass =    f!=undefined && f.single_flt_css_class!=undefined //defines css class for single-filter
                                        ? f.single_flt_css_class : 'single_flt';    
        this.isStartBgAlternate =    true;
        this.rowBgEvenCssClass =    f!=undefined && f.even_row_css_class!=undefined //defines css class for even rows
                                        ? f.even_row_css_class :'even';
        this.rowBgOddCssClass =        f!=undefined && f.odd_row_css_class!=undefined //defines css class for odd rows
                                        ? f.odd_row_css_class :'odd';
        
        /*** filters' grid behaviours ***/
        this.enterKey =                f!=undefined && f.enter_key==false ? false : true; //enables/disables enter key
        this.isModFilterFn =         f!=undefined && f.mod_filter_fn ? true : false; //enables/disables alternative fn call        
        this.modFilterFn =            this.isModFilterFn ? f.mod_filter_fn : null;// used by tf_DetectKey fn
        this.onBeforeFilter =        f!=undefined && tf_isFn(f.on_before_filter) //calls function before filtering starts
                                        ? f.on_before_filter : null;
        this.onAfterFilter =        f!=undefined && tf_isFn(f.on_after_filter) //calls function after filtering
                                        ? f.on_after_filter : null;                                
        this.matchCase =            f!=undefined && f.match_case ? true : false; //enables/disables case sensitivity
        this.exactMatch =            f!=undefined && f.exact_match ? true : false; //enables/disbles exact match for search
        this.refreshFilters =        f!=undefined && f.refresh_filters ? true : false; //refreshes drop-down lists upon validation
        this.activeFlt =            null; //stores active filter element
        this.activeFilterId =        null; //id of active filter
        this.hasColOperation =        f!=undefined && f.col_operation ? true : false; //enables/disbles column operation(sum,mean)
        this.colOperation =            null;
        this.hasVisibleRows =         f!=undefined && f.rows_always_visible ? true : false; //enables always visible rows
        this.visibleRows =            this.hasVisibleRows ? f.rows_always_visible : [];//array containing always visible rows
        this.searchType =            f!=undefined && f.search_type!=undefined //defines search type: include or exclude
                                        ? f.search_type : 'include';
        this.isExternalFlt =        f!=undefined && f.external_flt_grid ? true : false; //enables/disables external filters generation
        this.externalFltTgtIds =    f!=undefined && f.external_flt_grid_ids!=undefined //array containing ids of external elements containing filters
                                        ? f.external_flt_grid_ids : null;
        this.externalFltEls =        []; //stores filters elements if isExternalFlt is true        
        this.execDelay =            f!=undefined && f.exec_delay ? parseInt(f.exec_delay) : 100; //delays filtering process if loader true
        this.status =                f!=undefined && f.status ? true : false; //enables/disables status messages
        this.onFiltersLoaded =        f!=undefined && tf_isFn(f.on_filters_loaded) //calls function when filters grid loaded
                                        ? f.on_filters_loaded : null;
        this.singleSearchFlt =        f!=undefined && f.single_search_filter ? true : false; //enables/disables single filter search
        this.onRowValidated =        f!=undefined && tf_isFn(f.on_row_validated) //calls function after row is validated
                                         ? f.on_row_validated : null;                                                        
        
        /*** selects customisation and behaviours ***/
        this.displayAllText =        f!=undefined && f.display_all_text!=undefined ? f.display_all_text : ''; //defines 1st option text
        this.onSlcChange =             f!=undefined && f.on_change==false ? false : true; //enables/disables onChange event on combo-box 
        this.sortSlc =                f!=undefined && f.sort_select==false ? false : true; //enables/disables select options sorting
        this.isSortNumAsc =            f!=undefined && f.sort_num_asc ? true : false; //enables/disables ascending numeric options sorting
        this.sortNumAsc =            this.isSortNumAsc ? f.sort_num_asc : null;
        this.isSortNumDesc =        f!=undefined && f.sort_num_desc ? true : false; //enables/disables descending numeric options sorting
        this.sortNumDesc =            this.isSortNumDesc ? f.sort_num_desc : null;
        this.slcFillingMethod =        f!=undefined && f.slc_filling_method!=undefined //sets select filling method: 'innerHTML' or 
                                        ? f.slc_filling_method : 'createElement';    //'createElement'
        this.fillSlcOnDemand =        f!=undefined && f.fill_slc_on_demand ? true : false; //enabled selects are populated on demand
        this.activateSlcTooltip =    f!=undefined && f.activate_slc_tooltip!=undefined //IE only, tooltip text appearing on select 
                                        ? f.activate_slc_tooltip : 'Click to activate'; // before it is populated
        this.multipleSlcTooltip =    f!=undefined && f.multiple_slc_tooltip!=undefined //tooltip text appearing on multiple select 
                                        ? f.multiple_slc_tooltip : 'Use Ctrl key for multiple selections';
        this.hasCustomSlcOptions =    f!=undefined && f.custom_slc_options &&
                                        (typeof f.custom_slc_options).tf_LCase() == 'object' 
                                        ? true : false;    
        this.customSlcOptions =        f!=undefined && f.custom_slc_options!=undefined
                                        ? f.custom_slc_options : null;
        this.onBeforeOperation =    f!=undefined && tf_isFn(f.on_before_operation) //calls function before col operation
                                        ? f.on_before_operation : null;
        this.onAfterOperation =        f!=undefined && tf_isFn(f.on_after_operation) //calls function after col operation
                                        ? f.on_after_operation : null;
        
        /*** checklist customisation and behaviours ***/
        this.checkListDiv =         []; //checklist container div
        this.checkListDivCssClass = f!=undefined && f.div_checklist_css_class!=undefined 
                                        ? f.div_checklist_css_class : 'div_checklist'; //defines css class for div containing checklist filter
        this.checkListCssClass =    f!=undefined && f.checklist_css_class!=undefined //defines css class for checklist filters
                                        ? f.checklist_css_class : 'flt_checklist';
        this.checkListItemCssClass = f!=undefined && f.checklist_item_css_class!=undefined //defines css class for checklist item (li)
                                        ? f.checklist_item_css_class : 'flt_checklist_item';
        this.checkListSlcItemCssClass = f!=undefined && f.checklist_selected_item_css_class!=undefined //defines css class for selected checklist item (li)
                                        ? f.checklist_selected_item_css_class : 'flt_checklist_slc_item';                                
        this.activateCheckListTxt =    f!=undefined && f.activate_checklist_text!=undefined //Load on demand text 
                                        ? f.activate_checklist_text : 'Click to load data';
        
        /*** Filter operators ***/
        this.orOperator =            f!=undefined && f.or_operator!=undefined ? f.or_operator : '||';
        this.anOperator =            f!=undefined && f.and_operator!=undefined ? f.and_operator : '&&';
        this.grOperator =             f!=undefined && f.greater_operator!=undefined ? f.greater_operator : '>';
        this.lwOperator =            f!=undefined && f.lower_operator!=undefined ? f.lower_operator : '<';
        this.leOperator =            f!=undefined && f.lower_equal_operator!=undefined ? f.lower_equal_operator : '<=';
        this.geOperator =            f!=undefined && f.greater_equal_operator!=undefined ? f.greater_equal_operator : '>=';
        this.dfOperator =            f!=undefined && f.different_operator!=undefined ? f.different_operator : '!';
        this.lkOperator =            f!=undefined && f.like_operator!=undefined ? f.like_operator : '*';
        this.eqOperator =            f!=undefined && f.equal_operator!=undefined ? f.equal_operator : '=';
        this.stOperator =            f!=undefined && f.start_with_operator!=undefined ? f.start_with_operator : '{';
        this.enOperator =            f!=undefined && f.end_with_operator!=undefined ? f.end_with_operator : '}';
        this.curExp =                f!=undefined && f.cur_exp!=undefined ? f.cur_exp : '^[¥£€$]';
        this.separator =             f!=undefined && f.separator!=undefined ? f.separator : ',';
        
        /*** rows counter ***/
        this.rowsCounter =             f!=undefined && f.rows_counter ? true : false; //show/hides rows counter
        this.rowsCounterTgtId =        f!=undefined && f.rows_counter_target_id!=undefined //id of custom container element
                                        ? f.rows_counter_target_id : null;
        this.rowsCounterDiv =        null; //element containing tot nb rows
        this.rowsCounterSpan =        null; //element containing tot nb rows label
        this.rowsCounterText =        f!=undefined && f.rows_counter_text!=undefined
                                        ? f.rows_counter_text : 'Displayed rows: '; //defines rows counter text
        this.totRowsCssClass =        f!=undefined && f.tot_rows_css_class!=undefined //defines css class rows counter
                                        ? f.tot_rows_css_class : 'tot';        
        
        /*** status bar ***/
        this.statusBar =            f!=undefined && f.status_bar ? true : false; //show/hides status bar
        this.statusBarTgtId =        f!=undefined && f.status_bar_target_id!=undefined //id of custom container element
                                        ? f.status_bar_target_id : null;
        this.statusBarDiv =            null; //element containing status bar label
        this.statusBarSpan =        null; //status bar
        this.statusBarSpanText =    null; //status bar label
        this.statusBarText =        f!=undefined && f.status_bar_text!=undefined
                                        ? f.status_bar_text : ''; //defines status bar text
        this.statusBarCssClass =    f!=undefined && f.status_bar_css_class!=undefined //defines css class status bar
                                        ? f.status_bar_css_class : 'status';
        this.statusBarCloseDelay =    250; //delay for status bar clearing            
        
        /*** loader ***/
        this.loader =                f!=undefined && f.loader ? true : false; //enables/disables loader
        this.loaderTgtId =            f!=undefined && f.loader_target_id!=undefined //id of container element
                                        ? f.loader_target_id : null;
        this.loaderDiv =            null; //div containing loader
        this.loaderText =            f!=undefined && f.loader_text!=undefined ? f.loader_text : 'Loading...'; //defines loader text
        this.loaderHtml =            f!=undefined && f.loader_html!=undefined ? f.loader_html : null; //defines loader innerHtml
        this.loaderCssClass =         f!=undefined && f.loader_css_class!=undefined //defines css class for loader div
                                        ? f.loader_css_class : 'loader';
        this.loaderCloseDelay =        200; //delay for hiding loader
        this.onShowLoader =            f!=undefined && tf_isFn(f.on_show_loader) //calls function before loader is displayed
                                        ? f.on_show_loader : null;
        this.onHideLoader =            f!=undefined && tf_isFn(f.on_hide_loader) //calls function after loader is closed
                                        ? f.on_hide_loader : null;                    
        
        /*** validation - reset buttons/links ***/
        this.displayBtn =            f!=undefined && f.btn ? true : false; //show/hides filter's validation button
        this.btnText =                f!=undefined && f.btn_text!=undefined ? f.btn_text : 'go'; //defines validation button text
        this.btnCssClass =            f!=undefined && f.btn_css_class!=undefined //defines css class for validation button
                                        ? f.btn_css_class : 'btnflt';
        this.btnReset =             f!=undefined && f.btn_reset ? true : false; //show/hides reset link
        this.btnResetTgtId =        f!=undefined && f.btn_reset_target_id!=undefined //id of container element
                                        ? f.btn_reset_target_id : null;
        this.btnResetEl =            null; //reset button element
        this.btnResetText =            f!=undefined && f.btn_reset_text!=undefined ? f.btn_reset_text : 'Reset'; //defines reset text
        this.btnResetHtml =         f!=undefined && f.btn_reset_html!=undefined ? f.btn_reset_html : null; //defines reset button innerHtml
        this.btnResetCssClass =        f!=undefined && f.btn_reset_css_class!=undefined //defines css class for reset button
                                        ? f.btn_reset_css_class :'reset';
        
        /*** paging ***/
        this.paging =                f!=undefined && f.paging ? true : false; //enables/disables table paging
        this.pagingTgtId =            f!=undefined && f.paging_target_id!=undefined //id of container element
                                        ? f.paging_target_id : null;        
        this.pagingLength =            f!=undefined && f.paging_length!=undefined ? f.paging_length : 10; //defines table paging length
        this.hasResultsPerPage =    f!=undefined && f.results_per_page ? true : false; //enables/disables results per page drop-down
        this.resultsPerPageTgtId =    f!=undefined && f.results_per_page_target_id!=undefined //id of container element
                                        ? f.results_per_page_target_id : null;    
        this.resultsPerPage =        null; //stores results per page text and values            
        this.pagingSlc =            null; //stores paging select element
        this.isPagingRemoved =        false; //indicates if paging elements were previously removed
        this.pgSlcCssClass =        f!=undefined && f.paging_slc_css_class!=undefined
                                        ? f.paging_slc_css_class :'pgSlc'; //css class for paging select element
        this.pgInpCssClass =        f!=undefined && f.paging_inp_css_class!=undefined
                                        ? f.paging_inp_css_class :'pgNbInp'; //css class for paging input element
        this.resultsPerPageSlc =    null; //results per page select element
        this.resultsSlcCssClass =    f!=undefined && f.results_slc_css_class!=undefined
                                        ? f.results_slc_css_class :'rspg'; //defines css class for results per page select
        this.resultsSpanCssClass =    f!=undefined && f.results_span_css_class!=undefined
                                        ? f.results_span_css_class :'rspgSpan'; //css class for label preceding results per page select
        this.nbVisibleRows    =        0; //nb visible rows
        this.nbHiddenRows =            0; //nb hidden rows
        this.startPagingRow =        0; //1st row index of current page
        this.nbPages =                 0; //total nb of pages
        this.currentPageNb =        1; //current page nb
        this.btnNextPageText =         f!=undefined && f.btn_next_page_text!=undefined
                                        ? f.btn_next_page_text : '>'; //defines next page button text
        this.btnPrevPageText =        f!=undefined && f.btn_prev_page_text!=undefined
                                        ? f.btn_prev_page_text : '<'; //defines previous page button text
        this.btnLastPageText =        f!=undefined && f.btn_last_page_text!=undefined
                                        ? f.btn_last_page_text : '>|'; //defines last page button text
        this.btnFirstPageText =        f!=undefined && f.btn_first_page_text!=undefined
                                        ? f.btn_first_page_text : '|<' ; //defines first page button text
        this.btnNextPageHtml =        f!=undefined && f.btn_next_page_html!=undefined
                                        ? f.btn_next_page_html : null; //defines next page button html
        this.btnPrevPageHtml =        f!=undefined && f.btn_prev_page_html!=undefined
                                        ? f.btn_prev_page_html : null; //defines previous page button html
        this.btnFirstPageHtml =        f!=undefined && f.btn_first_page_html!=undefined
                                        ? f.btn_first_page_html : null; //defines last page button html
        this.btnLastPageHtml =        f!=undefined && f.btn_last_page_html!=undefined
                                        ? f.btn_last_page_html : null; //defines previous page button html
        this.btnPageCssClass =        f!=undefined && f.paging_btn_css_class!=undefined
                                        ? f.paging_btn_css_class :'pgInp'; //css class for paging buttons (previous,next,etc.)
        this.nbPgSpanCssClass =     f!=undefined && f.nb_pages_css_class!=undefined
                                        ? f.nb_pages_css_class :'nbpg'; //css class for span containing tot nb of pages
        this.hasPagingBtns =        f!=undefined && f.paging_btns==false ? false : true; //enables/disables paging buttons
        this.pagingBtnEvents =        null; //stores paging buttons events
        this.pageSelectorType =        f!=undefined && f.page_selector_type!=undefined
                                        ? f.page_selector_type : this.fltTypeSlc; //defines previous page button html        
        
        /*** webfx sort adapter ***/
        this.sort =                    f!=undefined && f.sort ? true : false; //enables/disables default table sorting
        this.isSortEnabled =        false; //indicates if sort is set
        this.sorted =                false; //indicates if tables was sorted
        this.sortConfig =            f!=undefined && f.sort_config!=undefined 
                                        ? f.sort_config : {};
        this.sortConfig.name =        f!=undefined && f.sort_config!=undefined && f.sort_config.name
                                        ? f.sort_config.name : 'sortabletable';
        this.sortConfig.src =        f!=undefined && f.sort_config!=undefined && f.sort_config.src
                                        ? f.sort_config.src : 'sortabletable.js';
        this.sortConfig.adapterSrc =f!=undefined && f.sort_config!=undefined && f.sort_config.adapter_src
                                        ? f.sort_config.adapter_src : 'tfAdapter.sortabletable.js';
        this.sortConfig.initialize =f!=undefined && f.sort_config!=undefined && f.sort_config.initialize
                                        ? f.sort_config.initialize
                                        : function(o){ if(o.SetSortTable) o.SetSortTable(); };
        this.sortConfig.sortTypes =    f!=undefined && f.sort_config!=undefined && f.sort_config.sort_types
                                        ? f.sort_config.sort_types : [];
        this.sortConfig.sortCol =    f!=undefined && f.sort_config!=undefined && f.sort_config.sort_col!=undefined
                                        ? f.sort_config.sort_col : null;
        this.sortConfig.asyncSort =    f!=undefined && f.sort_config!=undefined && f.sort_config.async_sort
                                        ? true : false;
        this.sortConfig.triggerIds =f!=undefined && f.sort_config!=undefined && f.sort_config.sort_trigger_ids
                                        ? f.sort_config.sort_trigger_ids : [];                                    
        
        /*** onkeyup event ***/
        this.onKeyUp =                f!=undefined && f.on_keyup ? true : false; //enables/disables onkeyup event, table is filtered when user stops typing
        this.onKeyUpDelay =            f!=undefined && f.on_keyup_delay!=undefined ? f.on_keyup_delay : 900; //onkeyup delay timer (msecs)
        this.isUserTyping =         null; //typing indicator
        this.onKeyUpTimer =         undefined;        
        
        /*** keyword highlighting ***/
        this.highlightKeywords =     f!=undefined && f.highlight_keywords ? true : false; //enables/disables keyword highlighting
        this.highlightCssClass =    f!=undefined && f.highlight_css_class!=undefined //defines css class for highlighting
                                        ? f.highlight_css_class : 'keyword';    
        
        /*** data types ***/
        this.defaultDateType =        f!=undefined && f.default_date_type!=undefined //defines default date type (european DMY)
                                        ? f.default_date_type : 'DMY';
        this.thousandsSeparator =    f!=undefined && f.thousands_separator!=undefined //defines default thousands separator 
                                        ? f.thousands_separator : ','; //US = ',' EU = '.'
        this.decimalSeparator =     f!=undefined && f.decimal_separator!=undefined //defines default decimal separator 
                                        ? f.decimal_separator : '.'; //US & javascript = '.' EU = ','
        this.hasColNbFormat =         f!=undefined && f.col_number_format ? true : false; //enables number format per column
        this.colNbFormat =             f!=undefined && this.hasColNbFormat ? f.col_number_format : null; //array containing columns nb formats
        this.hasColDateType =         f!=undefined && f.col_date_type ? true : false; //enables date type per column
        this.colDateType =            f!=undefined && this.hasColDateType ? f.col_date_type : null; //array containing columns date type
        
        /*** status messages ***/
        this.msgFilter =            f!=undefined && f.msg_filter!=undefined //filtering
                                        ? f.msg_filter : 'Filtering data...'; 
        this.msgPopulate =            f!=undefined && f.msg_populate!=undefined //populating drop-downs
                                        ? f.msg_populate : 'Populating filter...'; 
        this.msgPopulateCheckList =    f!=undefined && f.msg_populate_checklist!=undefined //populating drop-downs
                                        ? f.msg_populate_checklist : 'Populating list...'; 
        this.msgChangePage =        f!=undefined && f.msg_change_page!=undefined //changing paging page
                                        ? f.msg_change_page : 'Collecting paging data...';
        this.msgClear =                f!=undefined && f.msg_clear!=undefined //clearing filters
                                        ? f.msg_clear : 'Clearing filters...';
        this.msgChangeResults =        f!=undefined && f.msg_change_results!=undefined //changing nb results/page
                                        ? f.msg_change_results : 'Changing results per page...';
        this.msgResetValues =        f!=undefined && f.msg_reset_grid_values!=undefined //re-setting grid values
                                        ? f.msg_reset_grid_values : 'Re-setting filters values...';
        this.msgResetPage =            f!=undefined && f.msg_reset_page!=undefined //re-setting page
                                        ? f.msg_reset_page : 'Re-setting page...';
        this.msgResetPageLength =    f!=undefined && f.msg_reset_page_length!=undefined //re-setting page length
                                        ? f.msg_reset_page_length : 'Re-setting page length...';
        this.msgSort =                f!=undefined && f.msg_sort!=undefined //table sorting
                                        ? f.msg_sort : 'Sorting data...';
        this.msgLoadExtensions =    f!=undefined && f.msg_load_extensions!=undefined //table sorting
                                        ? f.msg_load_extensions : 'Loading extensions...';            
        /*** ids prefixes ***/
        this.prfxFlt =                'flt'; //filters (inputs - selects)
        this.prfxValButton =        'btn'; //validation button
        this.prfxInfDiv =            'inf_'; //container div for paging elements, rows counter etc.
        this.prfxLDiv =                'ldiv_'; //left div
        this.prfxRDiv =                'rdiv_'; //right div
        this.prfxMDiv =                'mdiv_'; //middle div
        this.prfxContentDiv =        'cont_'; //table container if fixed headers enabled
        this.prfxCheckListDiv =        'chkdiv_'; //checklist filter container div
        this.prfxSlcPages =            'slcPages_'; //pages select
        this.prfxSlcResults =         'slcResults_'; //results per page select
        this.prfxSlcResultsTxt =    'slcResultsTxt_'; //label preciding results per page select    
        this.prfxBtnNextSpan =        'btnNextSpan_'; //span containing next page button
        this.prfxBtnPrevSpan =        'btnPrevSpan_'; //span containing previous page button
        this.prfxBtnLastSpan =        'btnLastSpan_'; //span containing last page button
        this.prfxBtnFirstSpan =        'btnFirstSpan_'; //span containing first page button
        this.prfxBtnNext =            'btnNext_'; //next button
        this.prfxBtnPrev =            'btnPrev_'; //previous button
        this.prfxBtnLast =            'btnLast_'; //last button
        this.prfxBtnFirst =            'btnFirst_'; //first button
        this.prfxPgSpan =            'pgspan_'; //span for tot nb pages
        this.prfxPgBeforeSpan =        'pgbeforespan_'; //span preceding pages select (contains 'Page')
        this.prfxPgAfterSpan =        'pgafterspan_'; //span following pages select (contains ' of ')
        this.prfxCounter =            'counter_'; //rows counter div
        this.prfxTotRows =            'totrows_span_'; //nb displayed rows label
        this.prfxTotRowsTxt =        'totRowsTextSpan_'; //label preceding nb rows label
        this.prfxResetSpan =        'resetspan_'; //span containing reset button
        this.prfxLoader =            'load_'; //loader div
        this.prfxStatus =            'status_'; //status bar div
        this.prfxStatusSpan =        'statusSpan_'; //status bar label
        this.prfxStatusTxt =        'statusText_';//text preceding status bar label
        this.prfxCookieFltsValues =    'tf_flts_'; //filter values cookie
        this.prfxCookiePageNb =        'tf_pgnb_'; //page nb cookie
        this.prfxCookiePageLen =     'tf_pglen_'; //page length cookie                
        /*** cookies ***/
        this.hasStoredValues =        false;
        this.rememberGridValues =    f!=undefined && f.remember_grid_values ? true : false; //remembers filters values on page load
        this.fltsValuesCookie =        this.prfxCookieFltsValues + this.id; //cookie storing filter values
        this.rememberPageNb =        this.paging && f!=undefined && f.remember_page_number
                                        ? true : false; //remembers page nb on page load    
        this.pgNbCookie =            this.prfxCookiePageNb + this.id; //cookie storing page nb
        this.rememberPageLen =        this.paging && f!=undefined && f.remember_page_length
                                        ? true : false; //remembers page length on page load
        this.pgLenCookie =            this.prfxCookiePageLen + this.id; //cookie storing page length
        this.cookieDuration =        f!=undefined && f.set_cookie_duration 
                                        ? parseInt(f.set_cookie_duration) :100000; //cookie duration
        
        /*** extensions ***/
        this.hasExtensions =        f!=undefined && f.extensions ? true : false; //imports external script
        this.extensions =            (this.hasExtensions) ? f.extensions : null;
        /***(deprecated: backward compatibility) ***/
        this.hasBindScript =        f!=undefined && f.bind_script ? true : false; //imports external script
        this.bindScript =            (this.hasBindScript) ? f.bind_script : null;
        
        /*** TF events ***/
        var o = this;
        this.Evt = {
            name: {
                filter: 'Filter',
                populateselect: 'Populate',
                populatechecklist: 'PopulateCheckList',
                changepage: 'ChangePage',
                clear: 'Clear',
                changeresultsperpage: 'ChangeResults',
                resetvalues: 'ResetValues',
                resetpage: 'ResetPage',
                resetpagelength: 'ResetPageLength',
                sort: 'Sort',
                loadextensions: 'LoadExtensions'            
            },
            _DetectKey: function(e)
            /*====================================================
                - common fn that detects return key for a given
                element (onkeypress for inputs)
            =====================================================*/
            {
                if(!o.enterKey) return;
                var evt=(e)?e:(window.event)?window.event:null;
                if(evt)
                {
                    var key=(evt.charCode)?evt.charCode:
                        ((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));
                    if(key=='13')
                    {
                        o.Filter();
                    } else { 
                        o.isUserTyping = true;
                        window.clearInterval(o.onKeyUpTimer);
                        o.onKeyUpTimer = undefined; 
                    }
                }//if evt
            },
            _OnKeyUp: function(e)
            /*====================================================
                - onkeyup event for text filters 
                (onKeyUp property)
            =====================================================*/
            {
                if(!o.onKeyUp) return;
                var evt=(e)?e:(window.event)?window.event:null;
                var key=(evt.charCode)?evt.charCode:
                        ((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));
                o.isUserTyping = false;
                
                if( key!=13 && key!=9 && key!=27 && key!=38 && key!=40 )
                {
                    function filter()
                    {
                        window.clearInterval(o.onKeyUpTimer);
                        o.onKeyUpTimer = undefined;
                        if( !o.isUserTyping )
                        {
                            o.Filter();
                            o.isUserTyping = null;            
                        }
                    }
                    if(o.onKeyUpTimer==undefined)
                        o.onKeyUpTimer = window.setInterval( filter, o.onKeyUpDelay );
                } else { 
                    window.clearInterval(o.onKeyUpTimer); 
                    o.onKeyUpTimer = undefined; 
                }
            },
            _OnKeyDown: function(e)
            /*====================================================
                - onkeydown event for input filters 
                (onKeyUp property)
            =====================================================*/
            {
                if(!o.onKeyUp) return;
                o.isUserTyping = true;
            },
            _OnInpBlur: function(e)
            /*====================================================
                - onblur event for input filters (onKeyUp property)
            =====================================================*/
            {
                if(!o.onKeyUp) return;
                o.isUserTyping = false; 
                window.clearInterval(o.onKeyUpTimer); 
            },
            _OnInpFocus: function()
            /*====================================================
                - onfocus event for input filters
            =====================================================*/
            {
                o.activeFilterId=this.getAttribute('id');
                o.activeFlt = tf_Id(o.activeFilterId);
            },
            _OnSlcFocus: function()
            /*====================================================
                - onfocus event for select filters
            =====================================================*/
            {
                o.activeFilterId = this.getAttribute('id');
                o.activeFlt = tf_Id(o.activeFilterId);
                if(o.fillSlcOnDemand && this.getAttribute('filled') == '0')
                {// select is populated when element has focus
                    var ct = this.getAttribute('ct');
                    o.PopulateSelect(ct);
                    if(!tf_isIE) this.setAttribute('filled','1');
                }
            },
            _OnSlcChange: function()
            /*====================================================
                - onchange event for select filters
            =====================================================*/
            {
                if(o.onSlcChange) o.Filter();
            },
            _OnCheckListClick: function()
            /*====================================================
                - onclick event for checklist filters
            =====================================================*/
            {
                if(o.fillSlcOnDemand && this.getAttribute('filled') == '0')
                {
                    var ct = this.getAttribute('ct');
                    o.PopulateCheckList(ct);
                    o.checkListDiv[ct].onclick = null;
                    o.checkListDiv[ct].title = '';
                }
            },
            _OnCheckListFocus: function()
            /*====================================================
                - onclick event for checklist filter container
            =====================================================*/
            {
                o.activeFilterId = this.firstChild.getAttribute('id');
                o.activeFlt = tf_Id(o.activeFilterId);
            },
            _OnBtnClick: function()
            /*====================================================
                - onclick event for validation button 
                (btn property)
            =====================================================*/
            {
                o.Filter();
            },
            _OnSlcPagesChange: function()
            /*====================================================
                - onchange event for paging select
            =====================================================*/
            {
                if(o.Evt._Paging._OnSlcPagesChangeEvt)
                    o.Evt._Paging._OnSlcPagesChangeEvt();
                o.ChangePage();
                this.blur();
                //ie only: blur is not enough...
                if(this.parentNode && tf_isIE)
                    this.parentNode.focus();
            },
            _OnSlcPagesChangeEvt: null, //used by sort adapter
            _OnSlcResultsChange: function()
            /*====================================================
                - onchange event for results per page select
            =====================================================*/
            {
                o.ChangeResultsPerPage();
                this.blur();
                //ie only: blur is not enough...
                if(this.parentNode && tf_isIE) 
                    this.parentNode.focus();
            },
            _Paging: {// paging buttons events
                slcIndex: function(){ 
                    return (o.pageSelectorType==o.fltTypeSlc) 
                        ? o.pagingSlc.options.selectedIndex 
                        : parseInt(o.pagingSlc.value)-1;
                },
                nbOpts: function(){ 
                    return (o.pageSelectorType==o.fltTypeSlc) 
                    ? parseInt(o.pagingSlc.options.length)-1 
                    : (o.nbPages-1);
                },
                next: function(){
                    if(o.Evt._Paging.nextEvt) o.Evt._Paging.nextEvt();
                    var nextIndex = (o.Evt._Paging.slcIndex()<o.Evt._Paging.nbOpts()) 
                        ? o.Evt._Paging.slcIndex()+1 : 0;
                    o.ChangePage(nextIndex);
                },
                nextEvt: null, //used by sort adapter
                prev: function(){
                    if(o.Evt._Paging.prevEvt) o.Evt._Paging.prevEvt();
                    var prevIndex = o.Evt._Paging.slcIndex()>0 
                        ? o.Evt._Paging.slcIndex()-1 : o.Evt._Paging.nbOpts();
                    o.ChangePage(prevIndex);
                },
                prevEvt: null, //used by sort adapter
                last: function(){
                    if(o.Evt._Paging.lastEvt) o.Evt._Paging.lastEvt();
                    o.ChangePage(o.Evt._Paging.nbOpts());
                },
                lastEvt: null, //used by sort adapter
                first: function(){
                    if(o.Evt._Paging.firstEvt)  o.Evt._Paging.firstEvt();
                    o.ChangePage(0);
                },
                firstEvt: null, //used by sort adapter
                _detectKey: function(e)
                {
                    var evt=(e)?e:(window.event)?window.event:null;
                    if(evt)
                    {
                        var key=(evt.charCode)?evt.charCode:
                            ((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));
                        if(key=='13'){ 
                            if(o.sorted){ o.Filter(); o.ChangePage(o.Evt._Paging.slcIndex()); }
                            else o.ChangePage();                                
                            this.blur(); 
                        }
                    }//if evt
                }
            },
            _EnableSlc: function()
            /*====================================================
                - onclick event slc parent node (enables filters)
                IE only
            =====================================================*/
            {
                this.firstChild.disabled = false;                            
                this.firstChild.focus();                            
                this.onclick = null;
            },
            _Clear: function()
            /*====================================================
                - clears filters
            =====================================================*/
            {
                o.ClearFilters();
            },
            _EnableSort: function()
            /*====================================================
                - enables table sorting
            =====================================================*/
            {
                if(tf_isImported(o.sortConfig.adapterSrc))
                    o.sortConfig.initialize.call(null,o);
                else
                    o.IncludeFile(
                        o.sortConfig.name+'_adapter',
                        o.sortConfig.adapterSrc,
                        function(){ o.sortConfig.initialize.call(null,o); }
                    );
            }
        };
        
        /*** TF extensions ***/
        this.Ext = {
            list: {},
            add: function(extName, extDesc, extPath, extCallBack)
            {
                var file = extPath.split('/')[extPath.split('/').length-1];
                var re = new RegExp(file);
                var path = extPath.replace(re,'');
                o.Ext.list[extName] = { 
                    name: extName,
                    description: extDesc,
                    file: file,
                    path: path,
                    callback: extCallBack
                };
            }
        };
        
    }//if tbl!=null        
}
TF.prototype = {
    
    AddGrid: function()
    /*====================================================
        - adds row with filtering grid bar and sets grid 
        behaviours and layout
    =====================================================*/
    {
        if(this.hasGrid) return;
        this.startRow==undefined ? this.refRow=2 : this.refRow=(this.startRow+1);
        this.headersRow = (this.filtersRowIndex==0) ? 1 : 0;
        try{ this.nbCells = this.GetCellsNb(this.refRow) }
        catch(e){ this.nbCells = this.GetCellsNb(0) }
    
        var f = this.fObj==undefined ? {} : this.fObj;
        var n = (this.singleSearchFlt) ? 1 : this.nbCells, inpclass;
        
        if(this.loader) this.SetLoader();
    
        if(this.hasResultsPerPage)
        { 
            this.resultsPerPage = f['results_per_page']!=undefined   
                ? f['results_per_page'] : this.resultsPerPage;
            if(this.resultsPerPage.length<2)
                this.hasResultsPerPage = false;
            else
                this.pagingLength = this.resultsPerPage[1][0];
        }
        
        if(!this.fltGrid)
        {//filters grid is not genetared
            this.refRow = (this.refRow-1);
            this.nbFilterableRows = this.GetRowsNb();
            this.nbVisibleRows = this.nbFilterableRows;
            this.nbRows = this.nbFilterableRows;
        } else {
            if(this.isFirstLoad)
            {
                var fltrow;
                var thead = tf_Tag(this.tbl,'thead');
                if( thead.length>0 )
                    fltrow = thead[0].insertRow(this.filtersRowIndex);
                else
                    fltrow = this.tbl.insertRow(this.filtersRowIndex);
                
                if(this.fixedHeaders) this.SetFixedHeaders();
    
                fltrow.className = this.fltsRowCssClass;
                if( this.isExternalFlt ) fltrow.style.display = 'none';        
                this.nbFilterableRows = this.GetRowsNb();
                this.nbVisibleRows = this.nbFilterableRows;
                this.nbRows = this.tbl.rows.length;
                
                for(var i=0; i<n; i++)// this loop adds filters
                {
                    var fltcell = tf_CreateElm(this.fltCellTag);
                    if(this.singleSearchFlt) fltcell.colSpan = this.nbCells;
                    fltrow.appendChild( fltcell );
                    inpclass = (i==n-1 && this.displayBtn) ? this.fltSmallCssClass : this.fltCssClass;
                    
                    if( this['col'+i]==undefined )
                        this['col'+i] = (f['col_'+i]==undefined) 
                            ? this.fltTypeInp : f['col_'+i].tf_LCase();
                            
                    if(this.singleSearchFlt)
                    {//only 1 input for single search
                        this['col'+i] = this.fltTypeInp;
                        inpclass = this.singleFltCssClass;
                    }
    
                    if(this['col'+i]==this.fltTypeSlc || this['col'+i]==this.fltTypeMulti)
                    {//selects                    
                        var slc = tf_CreateElm( this.fltTypeSlc,
                            ['id',this.prfxFlt+i+'_'+this.id],
                            ['ct',i],['filled','0'] );
                        if(this['col'+i]==this.fltTypeMulti)
                        {
                            slc.multiple = this.fltTypeMulti;
                            slc.title = this.multipleSlcTooltip;
                        }
                        slc.className = (this['col'+i].tf_LCase()==this.fltTypeSlc) 
                            ? inpclass : this.fltMultiCssClass;// for ie<=6
                        
                        if( this.isExternalFlt && this.externalFltTgtIds && tf_Id(this.externalFltTgtIds[i]) )
                        {//filter is appended in desired element
                            tf_Id( this.externalFltTgtIds[i] ).appendChild(slc);
                            this.externalFltEls.push(slc);
                        } else {
                            fltcell.appendChild(slc);
                        }
                        
                        this.fltIds.push(this.prfxFlt+i+'_'+this.id);
                        
                        if(!this.fillSlcOnDemand) this.PopulateSelect(i);
                        
                        slc.onkeypress = this.Evt._DetectKey;
                        slc.onchange = this.Evt._OnSlcChange;
                        slc.onfocus = this.Evt._OnSlcFocus;
                        
                        if(this.fillSlcOnDemand)
                        {//1st option is created here since PopulateSelect isn't invoked
                            var opt0 = tf_CreateOpt(this.displayAllText,'');
                            slc.appendChild( opt0 );                        
                        }
                        
                        /*     Code below for IE: it prevents select options to
                            slide out before select it-self is populated.
                            This is an unexpeted behavior for users since at
                            1st click options are empty. Work around: 
                            select is disabled and by clicking on element 
                            (parent td), users enable drop-down and select is
                            populated at same time.  */
                        if( this.fillSlcOnDemand && tf_isIE)
                        {
                            slc.disabled = true;
                            slc.title = this.activateSlcTooltip;
                            slc.parentNode.onclick = this.Evt._EnableSlc;
                            if( this['col'+i]==this.fltTypeMulti)
                                this.__deferMultipleSelection(slc,0);
                        }
                    }
                    
                    else if( this['col'+i]==this.fltTypeCheckList )
                    {// checklist
                        var divCont = tf_CreateElm('div',
                                        ['id',this.prfxCheckListDiv+i+'_'+this.id],
                                        ['ct',i],['filled','0'] );
                        divCont.className = this.checkListDivCssClass;
                        
                        if( this.isExternalFlt && this.externalFltTgtIds 
                            && tf_Id(this.externalFltTgtIds[i]) )
                        {//filter is appended in desired element
                            tf_Id( this.externalFltTgtIds[i] ).appendChild(divCont);
                            this.externalFltEls.push(divCont);
                        } else {
                            fltcell.appendChild(divCont);
                        }
                        
                        this.checkListDiv[i] = divCont;
                        this.fltIds.push(this.prfxFlt+i+'_'+this.id);
                        if(!this.fillSlcOnDemand) this.PopulateCheckList(i);
                        
                        divCont.onclick = this.Evt._OnCheckListFocus;
                        
                        if(this.fillSlcOnDemand)
                        {
                            divCont.onclick = this.Evt._OnCheckListClick;
                            divCont.appendChild(tf_CreateText(this.activateCheckListTxt));
                        }
                    }
                    
                    else
                    {
                        var inptype;
                        (this['col'+i]==this.fltTypeInp) ? inptype='text' : inptype='hidden';//show/hide input    
                        var inp = tf_CreateElm( this.fltTypeInp,['id',this.prfxFlt+i+'_'+this.id],['type',inptype] );                    
                        inp.className = inpclass;// for ie<=6
                        inp.onfocus = this.Evt._OnInpFocus;
                        
                        if( this.isExternalFlt && this.externalFltTgtIds && tf_Id(this.externalFltTgtIds[i]) )
                        {//filter is appended in desired element
                            tf_Id( this.externalFltTgtIds[i] ).appendChild(inp);
                            this.externalFltEls.push(inp);
                        } else {
                            fltcell.appendChild(inp);
                        }
                        
                        this.fltIds.push(this.prfxFlt+i+'_'+this.id);
                        
                        inp.onkeypress = this.Evt._DetectKey;
                        inp.onkeydown = this.Evt._OnKeyDown;
                        inp.onkeyup = this.Evt._OnKeyUp;
                        inp.onblur = this.Evt._OnInpBlur;
                        
                        if(this.rememberGridValues)
                        {
                            var flts = tf_ReadCookie(this.fltsValuesCookie); //reads the cookie
                            var reg = new RegExp(',','g');
                            var flts_values = flts.split(reg); //creates an array with filters' values
                            if (flts_values[i]!=' ')
                                this.SetFilterValue(i,flts_values[i],false);                    
                        }
                    }
                    
                    if(i==n-1 && this.displayBtn)// this adds validation button
                    {
                        var btn = tf_CreateElm( this.fltTypeInp,['id',this.prfxValButton+i+'_'+this.id],
                                                ['type','button'], ['value',this.btnText] );
                        btn.className = this.btnCssClass;
                        
                        if( this.isExternalFlt && this.externalFltTgtIds && tf_Id(this.externalFltTgtIds[i]) ) 
                        //filter is appended in desired element
                            tf_Id( this.externalFltTgtIds[i] ).appendChild(btn);
                        else
                            fltcell.appendChild(btn);
                        
                        btn.onclick = this.Evt._OnBtnClick;                
                    }//if
                    
                }// for i
                
            } else {
                this.__resetGrid();            
            }//if isFirstLoad
        }//if this.fltGrid
        
        /* Filter behaviours */
        if(this.rowsCounter) this.SetRowsCounter();
        if(this.statusBar) this.SetStatusBar();
        if(this.fixedHeaders && !this.isFirstLoad) this.SetFixedHeaders();
        if(this.paging)    this.SetPaging();
        if(this.hasResultsPerPage && this.paging)
            this.SetResultsPerPage();
        if(this.btnReset) this.SetResetBtn();
        
        if(this.hasColWidth) this.SetColWidths();
        
        if( this.alternateBgs && this.isStartBgAlternate )
            this.SetAlternateRows(); //1st time only if no paging and rememberGridValues
        
        if(this.hasColOperation && this.fltGrid)
        {
            this.colOperation = f.col_operation;
            this.SetColOperation();
        }
        
        if(this.sort) this.SetSort();
        
        /* Deprecated Loads external script */
        if(this.hasBindScript)
        {
            if(this.bindScript['src']!=undefined)
            {
                var scriptPath = this.bindScript['src'];
                var scriptName = (this.bindScript['name']!=undefined)
                                    ? this.bindScript['name'] : '';
                this.IncludeFile(scriptName,scriptPath,this.bindScript['target_fn']);
            }
        }//if bindScript
        /* */
        
        this.isFirstLoad = false;
        this.hasGrid = true;
        
        if( this.rememberGridValues ||
            this.rememberPageLen ||
            this.rememberPageNb )
            this.ResetValues();
        
        this.ShowLoader('none');
        
        if(this.onFiltersLoaded)
            this.onFiltersLoaded.call(null,this);
        
        /* Loads extensions */
        this.LoadExtensions();
        /* */
        
    },// AddGrid
    
    EvtManager: function( evt,s )
    /*====================================================
        - TF events manager
        - Params: 
            - event name (string)
            - config object (optional literal object)
    =====================================================*/
    {
        var o = this;
        var slcIndex = (s!=undefined && s.slcIndex!=undefined) ? s.slcIndex : null;
        var slcExternal = (s!=undefined && s.slcExternal!=undefined) ? s.slcExternal : false;
        var slcId = (s!=undefined && s.slcId!=undefined) ? s.slcId : null;
        var pgIndex = (s!=undefined && s.pgIndex!=undefined) ? s.pgIndex : null;
        function efx(){
            if(evt!=undefined)
            switch( evt )
            {
                case o.Evt.name.filter:
                    (o.isModFilterFn) 
                        ? o.modFilterFn.call(null,o)
                        : o._Filter();
                break;
                case o.Evt.name.populateselect:
                    (o.refreshFilters) 
                        ? o._PopulateSelect(slcIndex,true) 
                        : o._PopulateSelect(slcIndex,false,slcExternal,slcId);
                break;
                case o.Evt.name.populatechecklist:
                    o._PopulateCheckList(slcIndex,slcExternal,slcId);
                break;
                case o.Evt.name.changepage:
                    o._ChangePage(pgIndex);
                break;
                case o.Evt.name.clear:
                    o._ClearFilters(); 
                    o._Filter();
                break;
                case o.Evt.name.changeresultsperpage:
                    o._ChangeResultsPerPage();
                break;
                case o.Evt.name.resetvalues:
                    o._ResetValues();                    
                    o._Filter();
                break;
                case o.Evt.name.resetpage:
                    o._ResetPage(o.pgNbCookie);
                break;
                case o.Evt.name.resetpagelength:
                    o._ResetPageLength(o.pgLenCookie);
                break;
                case o.Evt.name.sort:
                    void(0);
                break;
                case o.Evt.name.loadextensions:
                    o._LoadExtensions();
                break;
                default: //to be used by extensions events when needed
                    o['_'+evt].call(null,o,s);
                break;
            }
            o.StatusMsg('');
            o.ShowLoader('none');
        }
        
        if(this.loader || this.status || this.statusBar)
        {
            this.ShowLoader('');
            this.StatusMsg(o['msg'+evt]);
            window.setTimeout(efx,this.execDelay);
        } else efx();
    },
    
    LoadExtensions: function()
    {
        this.EvtManager(this.Evt.name.loadextensions);
    },
    
    _LoadExtensions: function()
    /*====================================================
        - loads TF extensions
    =====================================================*/
    {
        if(!this.hasExtensions) return;
        if((typeof this.extensions.name).tf_LCase() == 'object' && 
                (typeof this.extensions.src).tf_LCase() == 'object')
        {
            var ext = this.extensions;
            for(var e=0; e<ext.name.length; e++)
            {
                var extPath = ext.src[e];
                var extName = ext.name[e];
                var extInit = (ext.initialize && ext.initialize[e]) ? ext.initialize[e] : null;
                var extDesc = (ext.description && ext.description[e] ) ? ext.description[e] : null;
                
                //Registers extension 
                this.Ext.add(extName, extDesc, extPath, extInit);
                
                if(tf_isImported(extPath) && extInit)
                {
                    try{ extInit.call(null,this); }
                    catch(e){
                        var o = this;
                        function fn(){extInit.call(null,o);}
                        if(!tf_isIE) tf_addEvent(window,'load',fn); 
                        else{
                            function testReady(){
                                if (document.readyState == "complete") 
                                {
                                    fn(); clearInterval(s);
                                }
                            }
                            var s = setInterval(testReady,10);
                        }        
                    }
                }
                else
                    this.IncludeFile(extName,extPath,extInit);
            }
        }
    },
    
    RemoveGrid: function()
    /*====================================================
        - removes a filter grid
    =====================================================*/
    {
        if( this.fltGrid && this.hasGrid )
        {
            var row = this.tbl.rows;
            
            //this._ClearFilters();
            this.RemovePaging();
            this.RemoveStatusBar();
            this.RemoveRowsCounter();
            this.RemoveResetBtn();
            this.RemoveResultsPerPage();
            this.RemoveExternalFlts();
            this.RemoveFixedHeaders();
            this.RemoveTopDiv();
            this.UnhighlightAll();
            this.RemoveSort();
            this.RemoveLoader();
            
            for(var j=this.refRow; j<this.nbRows; j++)
            {//this loop shows all rows and removes validRow attribute            
                row[j].style.display = '';
                try
                { 
                    if( row[j].hasAttribute('validRow') ) 
                        row[j].removeAttribute('validRow');
                } //ie<=6 doesn't support hasAttribute method
                catch(e){
                    for( var x = 0; x < row[j].attributes.length; x++ ) 
                    {
                        if( row[j].attributes[x].nodeName.tf_LCase()=='validrow' ) 
                            row[j].removeAttribute('validRow');
                    }//for x
                }//catch(e)
                
                //removes alterning colors
                this.RemoveRowBg(j);
                
            }//for j
    
            if(this.fltGrid)
            {
                this.fltGridEl = row[this.filtersRowIndex];            
                this.tbl.deleteRow(this.filtersRowIndex);
            }
            this.activeFlt = null;
            this.isStartBgAlternate = true;
            this.hasGrid = false;
    
        }//if this.fltGrid
    },
    
    SetTopDiv: function()
    /*====================================================
        - Generates div above table where paging,
        reset button, rows counter label etc. are placed
    =====================================================*/
    {
        if( this.infDiv!=null ) return;
    
        /*** container div ***/
        var infdiv = tf_CreateElm( 'div',['id',this.prfxInfDiv+this.id] );
        infdiv.className = this.infDivCssClass;// setAttribute method doesn't seem to work on ie<=6
        if(this.fixedHeaders && this.contDiv)
            this.contDiv.parentNode.insertBefore(infdiv, this.contDiv);
        else
            this.tbl.parentNode.insertBefore(infdiv, this.tbl);
        this.infDiv = tf_Id( this.prfxInfDiv+this.id );
        
        /*** left div containing rows # displayer ***/
        var ldiv = tf_CreateElm( 'div',['id',this.prfxLDiv+this.id] );
        ldiv.className = this.lDivCssClass;/*'ldiv'*/;
        infdiv.appendChild(ldiv);
        this.lDiv = tf_Id( this.prfxLDiv+this.id );        
        
        /***     right div containing reset button 
                + nb results per page select     ***/    
        var rdiv = tf_CreateElm( 'div',['id',this.prfxRDiv+this.id] );
        rdiv.className = this.rDivCssClass/*'rdiv'*/;
        infdiv.appendChild(rdiv);
        this.rDiv = tf_Id( this.prfxRDiv+this.id );
        
        /*** mid div containing paging elements ***/
        var mdiv = tf_CreateElm( 'div',['id',this.prfxMDiv+this.id] );
        mdiv.className = this.mDivCssClass/*'mdiv'*/;                        
        infdiv.appendChild(mdiv);
        this.mDiv = tf_Id( this.prfxMDiv+this.id );
    },
    
    RemoveTopDiv: function()
    /*====================================================
        - Removes div above table where paging,
        reset button, rows counter label etc. are placed
    =====================================================*/
    {
        if( this.infDiv==null ) return;
        this.infDiv.parentNode.removeChild( this.infDiv );
        this.infDiv = null;
    },
    
    SetFixedHeaders: function()
    /*====================================================
        - CSS solution making headers fixed
    =====================================================*/
    {
        if((!this.hasGrid && !this.isFirstLoad) || !this.fixedHeaders) return;
        if(this.contDiv) return;    
        var thead = tf_Tag(this.tbl,'thead');
        if( thead.length==0 ) return;
        var tbody = tf_Tag(this.tbl,'tbody');    
        if( tbody[0].clientHeight!=0 ) 
        {//firefox returns tbody height
            //previous values
            this.prevTBodyH = tbody[0].clientHeight;
            this.prevTBodyOverflow = tbody[0].style.overflow;
            this.prevTBodyOverflowX = tbody[0].style.overflowX;
            
            tbody[0].style.height = this.tBodyH+'px';
            tbody[0].style.overflow = 'auto';
            tbody[0].style.overflowX = 'hidden';
        } else { //IE returns 0
            // cont div is added to emulate fixed headers behaviour
            var contDiv = tf_CreateElm( 'div',['id',this.prfxContentDiv+this.id] );
            contDiv.className = this.contDivCssClass;
            this.tbl.parentNode.insertBefore(contDiv, this.tbl);
            contDiv.appendChild(this.tbl);
            this.contDiv = tf_Id(this.prfxContentDiv+this.id);
            //prevents headers moving during window scroll (IE)
            this.contDiv.style.position = 'relative';
            
            var theadH = 0;
            var theadTr = tf_Tag(thead[0],'tr');    
            for(var i=0; i<theadTr.length; i++)
            {//css below emulates fixed headers on IE<=6
                theadTr[i].style.cssText += 'position:relative; ' +
                                            'top:expression(offsetParent.scrollTop);';
                theadH += parseInt(theadTr[i].clientHeight);
            }
            
            this.contDiv.style.height = (this.tBodyH+theadH)+'px';
            
            var tfoot = tf_Tag(this.tbl,'tfoot');
            if( tfoot.length==0 ) return;
            
            var tfootTr = tf_Tag(tfoot[0],'tr');
                
            for(var j=0; j<tfootTr.length; j++)//css below emulates fixed footer on IE<=6
                tfootTr[j].style.cssText += 'position:relative; overflow-x: hidden; ' +
                                            'top: expression(parentNode.parentNode.offsetHeight >= ' +
                                            'offsetParent.offsetHeight ? 0 - parentNode.parentNode.offsetHeight + '+ 
                                            'offsetParent.offsetHeight + offsetParent.scrollTop : 0);';        
        }    
    },
    
    RemoveFixedHeaders: function()
    /*====================================================
        - Removes fixed headers
    =====================================================*/
    {
        if(!this.hasGrid || !this.fixedHeaders ) return;
        if( this.contDiv )//IE additional div
        {
            this.contDiv.parentNode.insertBefore(this.tbl, this.contDiv);
            this.contDiv.parentNode.removeChild( this.contDiv );
            this.contDiv = null;
            var thead = tf_Tag(this.tbl,'thead');
            if( thead.length==0 ) return;
            var theadTr = tf_Tag(thead[0],'tr');
            if( theadTr.length==0 ) return;
            for(var i=0; i<theadTr.length; i++)
                theadTr[i].style.cssText = '';
            var tfoot = tf_Tag(this.tbl,'tfoot');
            if( tfoot.length==0 ) return;        
            var tfootTr = tf_Tag(tfoot[0],'tr');    
            for(var j=0; j<tfootTr.length; j++)
            {
                tfootTr[j].style.position = 'relative';
                tfootTr[j].style.top = '';
                tfootTr[j].style.overeflowX = '';
            }
        } else {
            var tbody = tf_Tag(this.tbl,'tbody');
            if( tbody.length==0 ) return;
            tbody[0].style.height = this.prevTBodyH+'px';
            tbody[0].style.overflow = this.prevTBodyOverflow;
            tbody[0].style.overflowX = this.prevTBodyOverflowX;
        }
    },
    
    SetPaging: function()
    /*====================================================
        - Generates paging elements:
            - pages drop-down list
            - previous, next, first, last buttons
    =====================================================*/
    {
        if(!this.hasGrid && !this.isFirstLoad) return;
        if(!this.paging || (!this.isPagingRemoved && !this.isFirstLoad)) return;
        var start_row = this.refRow;
        var nrows = this.nbRows;
        this.nbPages = Math.ceil( (nrows-start_row)/this.pagingLength );//calculates page nb
    
        // Paging drop-down list selector
        if(this.pageSelectorType == this.fltTypeSlc)
        {
            var slcPages = tf_CreateElm( this.fltTypeSlc, ['id',this.prfxSlcPages+this.id] );
            slcPages.className = this.pgSlcCssClass;
            slcPages.onchange = this.Evt._OnSlcPagesChange;
        }
        // Paging input selector
        if(this.pageSelectorType == this.fltTypeInp)
        {
            var slcPages = tf_CreateElm( 
                this.fltTypeInp, 
                ['id',this.prfxSlcPages+this.id],
                ['value',this.currentPageNb]
            );
            slcPages.className = this.pgInpCssClass;
            slcPages.onkeypress = this.Evt._Paging._detectKey;
        }
        
        var btnNextSpan, btnPrevSpan, btnLastSpan, btnFirstSpan;// btns containers
        btnNextSpan = tf_CreateElm('span',['id',this.prfxBtnNextSpan+this.id]);
        btnPrevSpan = tf_CreateElm('span',['id',this.prfxBtnPrevSpan+this.id]);
        btnLastSpan = tf_CreateElm('span',['id',this.prfxBtnLastSpan+this.id]);
        btnFirstSpan = tf_CreateElm('span',['id',this.prfxBtnFirstSpan+this.id]);
        
        if(this.hasPagingBtns)
        {
            if(this.btnNextPageHtml==null)
            {// Next button
                var btn_next = tf_CreateElm( this.fltTypeInp,['id',this.prfxBtnNext+this.id],
                    ['type','button'],['value',this.btnNextPageText],['title','Next'] );
                btn_next.className = this.btnPageCssClass;
                btn_next.onclick = this.Evt._Paging.next;
                btnNextSpan.appendChild(btn_next);
            } else {
                btnNextSpan.innerHTML = this.btnNextPageHtml;
                btnNextSpan.onclick = this.Evt._Paging.next;
            }
            
            if(this.btnPrevPageHtml==null)
            {// Previous button
                var btn_prev = tf_CreateElm( this.fltTypeInp,['id',this.prfxBtnPrev+this.id],
                    ['type','button'],['value',this.btnPrevPageText],['title','Previous'] );
                btn_prev.className = this.btnPageCssClass;
                btn_prev.onclick = this.Evt._Paging.prev;
                btnPrevSpan.appendChild(btn_prev);
            } else { 
                btnPrevSpan.innerHTML = this.btnPrevPageHtml;
                btnPrevSpan.onclick = this.Evt._Paging.prev;
            }
            
            if(this.btnLastPageHtml==null)
            {// Last button
                var btn_last = tf_CreateElm( this.fltTypeInp,['id',this.prfxBtnLast+this.id],
                    ['type','button'],['value',this.btnLastPageText],['title','Last'] );
                btn_last.className = this.btnPageCssClass;
                btn_last.onclick = this.Evt._Paging.last;
                btnLastSpan.appendChild(btn_last);
            } else { 
                btnLastSpan.innerHTML = this.btnLastPageHtml;
                btnLastSpan.onclick = this.Evt._Paging.last;
            }
            
            if(this.btnFirstPageHtml==null)
            {// First button
                var btn_first = tf_CreateElm( this.fltTypeInp,['id',this.prfxBtnFirst+this.id],
                    ['type','button'],['value',this.btnFirstPageText],['title','First'] );
                btn_first.className = this.btnPageCssClass;
                btn_first.onclick = this.Evt._Paging.first;
                btnFirstSpan.appendChild(btn_first);
            } else { 
                btnFirstSpan.innerHTML = this.btnFirstPageHtml;
                btnFirstSpan.onclick = this.Evt._Paging.first;
            }            
        }//if this.hasPagingBtns
        
        // paging elements (buttons+drop-down list) are added to defined element
        if(this.pagingTgtId==null) this.SetTopDiv();
        var targetEl = ( this.pagingTgtId==null ) ? this.mDiv : tf_Id( this.pagingTgtId );
        
        /***    if paging previously removed this prevents IE memory leak with removeChild 
                used in RemovePaging method. For more info refer to
                http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2840253&SiteID=1    ***/
        if ( targetEl.innerHTML!='' ) targetEl.innerHTML = '';
        /*** ***/
        
        targetEl.appendChild(btnPrevSpan);
        targetEl.appendChild(btnFirstSpan);
        
        var pgBeforeSpan = tf_CreateElm( 'span',['id',this.prfxPgBeforeSpan+this.id] );
        pgBeforeSpan.appendChild( tf_CreateText(' Page ') );
        pgBeforeSpan.className = this.nbPgSpanCssClass;
        targetEl.appendChild(pgBeforeSpan);
        targetEl.appendChild(slcPages);
        var pgAfterSpan = tf_CreateElm( 'span',['id',this.prfxPgAfterSpan+this.id] );
        pgAfterSpan.appendChild( tf_CreateText(' of ') );
        pgAfterSpan.className = this.nbPgSpanCssClass;
        targetEl.appendChild(pgAfterSpan)
        var pgspan = tf_CreateElm( 'span',['id',this.prfxPgSpan+this.id] );
        pgspan.className = this.nbPgSpanCssClass;
        pgspan.appendChild( tf_CreateText(' '+this.nbPages+' ') );
        targetEl.appendChild(pgspan);
        targetEl.appendChild(btnLastSpan);
        targetEl.appendChild(btnNextSpan);
    
        this.pagingSlc = tf_Id(this.prfxSlcPages+this.id); //to be easily re-used
        
        // if this.rememberGridValues==true this.SetPagingInfo() is called
        // in ResetGridValues() method
        if( !this.rememberGridValues || this.isPagingRemoved )
            this.SetPagingInfo();
        if( !this.fltGrid )
        {
            this.ValidateAllRows();
            this.SetPagingInfo(this.validRowsIndex);
        }
            
        this.pagingBtnEvents = this.Evt._Paging;
        this.isPagingRemoved = false;
    },
    
    RemovePaging: function()
    /*====================================================
        - Removes paging elements
    =====================================================*/
    {
        if(!this.hasGrid) return;
        if( this.pagingSlc==null ) return;
        var btnNextSpan, btnPrevSpan, btnLastSpan, btnFirstSpan;// btns containers
        var pgBeforeSpan, pgAfterSpan, pgspan;
        btnNextSpan = tf_Id(this.prfxBtnNextSpan+this.id);
        btnPrevSpan = tf_Id(this.prfxBtnPrevSpan+this.id);
        btnLastSpan = tf_Id(this.prfxBtnLastSpan+this.id);
        btnFirstSpan = tf_Id(this.prfxBtnFirstSpan+this.id);
        pgBeforeSpan = tf_Id(this.prfxPgBeforeSpan+this.id);//span containing 'Page' text
        pgAfterSpan = tf_Id(this.prfxPgAfterSpan+this.id);//span containing 'of' text
        pgspan = tf_Id(this.prfxPgSpan+this.id);//span containing nb of pages
        
        this.pagingSlc.parentNode.removeChild(this.pagingSlc);
        
        if( btnNextSpan!=null )
            btnNextSpan.parentNode.removeChild( btnNextSpan );
    
        if( btnPrevSpan!=null )
            btnPrevSpan.parentNode.removeChild( btnPrevSpan );
    
        if( btnLastSpan!=null )
            btnLastSpan.parentNode.removeChild( btnLastSpan );
    
        if( btnFirstSpan!=null )
            btnFirstSpan.parentNode.removeChild( btnFirstSpan );
    
        if( pgBeforeSpan!=null )
            pgBeforeSpan.parentNode.removeChild( pgBeforeSpan );
    
        if( pgAfterSpan!=null )
            pgAfterSpan.parentNode.removeChild( pgAfterSpan );
    
        if( pgspan!=null )
            pgspan.parentNode.removeChild( pgspan );
        
        this.pagingBtnEvents = null;    
        this.pagingSlc = null;
        this.isPagingRemoved = true;
    },
    
    SetRowsCounter: function()
    /*====================================================
        - Generates rows counter label
    =====================================================*/
    {
        if(!this.hasGrid && !this.isFirstLoad) return;
        if( this.rowsCounterSpan!=null ) return;
        var countDiv = tf_CreateElm( 'div',['id',this.prfxCounter+this.id] ); //rows counter container
        countDiv.className = this.totRowsCssClass;
        var countSpan = tf_CreateElm( 'span',['id',this.prfxTotRows+this.id] ); //rows counter label
        var countText = tf_CreateElm( 'span',['id',this.prfxTotRowsTxt+this.id] );
        countText.appendChild( tf_CreateText(this.rowsCounterText) );
        
        // counter is added to defined element
        if(this.rowsCounterTgtId==null) this.SetTopDiv();
        var targetEl = ( this.rowsCounterTgtId==null ) ? this.lDiv : tf_Id( this.rowsCounterTgtId );
        
        //IE only: clears all for sure
        if(this.rowsCounterDiv && tf_isIE)
            this.rowsCounterDiv.outerHTML = '';
        
        if( this.rowsCounterTgtId==null )
        {//default container: 'lDiv'
            countDiv.appendChild(countText);
            countDiv.appendChild(countSpan);
            targetEl.appendChild(countDiv);
        }
        else
        {// custom container, no need to append statusDiv
            targetEl.appendChild(countText);
            targetEl.appendChild(countSpan);
        }
        this.rowsCounterDiv = tf_Id( this.prfxCounter+this.id );
        this.rowsCounterSpan = tf_Id( this.prfxTotRows+this.id );
        
        this.RefreshNbRows();    
    },
    
    RemoveRowsCounter: function()
    /*====================================================
        - Removes rows counter label
    =====================================================*/
    {
        if(!this.hasGrid) return;
        if( this.rowsCounterSpan==null ) return;
        
        if(this.rowsCounterTgtId==null && this.rowsCounterDiv)
        {
            //IE only: clears all for sure
            if(tf_isIE) this.rowsCounterDiv.outerHTML = '';
            else
                this.rowsCounterDiv.parentNode.removeChild( 
                    this.rowsCounterDiv
                );
        } else {
            tf_Id( this.rowsCounterTgtId ).innerHTML = '';
        }
        this.rowsCounterSpan = null;
        this.rowsCounterDiv = null;
    },
    
    SetStatusBar: function()
    /*====================================================
        - Generates status bar label
    =====================================================*/
    {
        if(!this.hasGrid && !this.isFirstLoad) return;
        var statusDiv = tf_CreateElm( 'div',['id',this.prfxStatus+this.id] ); //status bar container
        statusDiv.className = this.statusBarCssClass;
        var statusSpan = tf_CreateElm( 'span',['id',this.prfxStatusSpan+this.id] ); //status bar label
        var statusSpanText = tf_CreateElm( 'span',['id',this.prfxStatusTxt+this.id] );//preceding text
        statusSpanText.appendChild( tf_CreateText(this.statusBarText) );
    
        // target element container
        if(this.statusBarTgtId==null) this.SetTopDiv();
        var targetEl = ( this.statusBarTgtId==null ) ? this.lDiv : tf_Id( this.statusBarTgtId );
        
        if(this.statusBarDiv && tf_isIE)
            this.statusBarDiv.outerHTML = '';
        
        if( this.statusBarTgtId==null )
        {//default container: 'lDiv'
            statusDiv.appendChild(statusSpanText);
            statusDiv.appendChild(statusSpan);
            targetEl.appendChild(statusDiv);
        }
        else
        {// custom container, no need to append statusDiv
            targetEl.appendChild(statusSpanText);
            targetEl.appendChild(statusSpan);
        }
        this.statusBarDiv = tf_Id( this.prfxStatus+this.id );
        this.statusBarSpan = tf_Id( this.prfxStatusSpan+this.id );
        this.statusBarSpanText = tf_Id( this.prfxStatusTxt+this.id );
    },
    
    RemoveStatusBar: function()
    /*====================================================
        - Removes status bar div
    =====================================================*/
    {
        if(!this.hasGrid) return;
        if(this.statusBarDiv)
        {
            this.statusBarDiv.innerHTML = '';
            this.statusBarDiv.parentNode.removeChild( 
                this.statusBarDiv
            );
            this.statusBarSpan = null;
            this.statusBarSpanText = null;
            this.statusBarDiv = null;
        }
    },
    
    SetResultsPerPage: function()
    /*====================================================
        - Generates results per page select + label
    =====================================================*/
    {
        if(!this.hasGrid && !this.isFirstLoad) return;
        if( this.resultsPerPageSlc!=null || this.resultsPerPage==null ) return;
        var slcR = tf_CreateElm( this.fltTypeSlc,['id',this.prfxSlcResults+this.id] );
        slcR.className = this.resultsSlcCssClass;
        var slcRText = this.resultsPerPage[0], slcROpts = this.resultsPerPage[1];
        var slcRSpan = tf_CreateElm( 'span',['id',this.prfxSlcResultsTxt+this.id] );
        slcRSpan.className = this.resultsSpanCssClass;
        
        // results per page select is added to defined element
        if(this.resultsPerPageTgtId==null) this.SetTopDiv();
        var targetEl = ( this.resultsPerPageTgtId==null ) ? this.rDiv : tf_Id( this.resultsPerPageTgtId );
        slcRSpan.appendChild(tf_CreateText(slcRText));
        targetEl.appendChild(slcRSpan);
        targetEl.appendChild(slcR);
        
        this.resultsPerPageSlc = tf_Id(this.prfxSlcResults+this.id);
        
        for(var r=0; r<slcROpts.length; r++)
        {
            var currOpt = new Option(slcROpts[r],slcROpts[r],false,false);
            this.resultsPerPageSlc.options[r] = currOpt;
        }
        slcR.onchange = this.Evt._OnSlcResultsChange;
    },
    
    RemoveResultsPerPage: function()
    /*====================================================
        - Removes results per page select + label
    =====================================================*/
    {
        if(!this.hasGrid) return;
        if( this.resultsPerPageSlc==null || this.resultsPerPage==null ) return;
        var slcR, slcRSpan;
        slcR = this.resultsPerPageSlc;
        slcRSpan = tf_Id( this.prfxSlcResultsTxt+this.id );
        if( slcR!=null )
            slcR.parentNode.removeChild( slcR );
        if( slcRSpan!=null )
            slcRSpan.parentNode.removeChild( slcRSpan );
        this.resultsPerPageSlc = null;
    },
    
    SetResetBtn: function()
    /*====================================================
        - Generates reset button
    =====================================================*/
    {
        if(!this.hasGrid && !this.isFirstLoad) return;
        if( this.btnResetEl!=null ) return;
        var resetspan = tf_CreateElm('span',['id',this.prfxResetSpan+this.id]);
        
        // reset button is added to defined element
        if(this.btnResetTgtId==null) this.SetTopDiv();
        var targetEl = ( this.btnResetTgtId==null ) ? this.rDiv : tf_Id( this.btnResetTgtId );
        targetEl.appendChild(resetspan);
            
        if(this.btnResetHtml==null)
        {    
            var fltreset = tf_CreateElm( 'a', ['href','javascript:void(0);'] );
            fltreset.className = this.btnResetCssClass;
            fltreset.appendChild(tf_CreateText(this.btnResetText));
            resetspan.appendChild(fltreset);
            fltreset.onclick = this.Evt._Clear;
        } else {
            resetspan.innerHTML = this.btnResetHtml;
            var resetEl = resetspan.firstChild;
            resetEl.onclick = this.Evt._Clear;
        }
        this.btnResetEl = tf_Id(this.prfxResetSpan+this.id).firstChild;    
    },
    
    RemoveResetBtn: function()
    /*====================================================
        - Removes reset button
    =====================================================*/
    {
        if(!this.hasGrid) return;
        if( this.btnResetEl==null ) return;
        var resetspan = tf_Id(this.prfxResetSpan+this.id);
        if( resetspan!=null )
            resetspan.parentNode.removeChild( resetspan );
        this.btnResetEl = null;    
    },
    
    RemoveExternalFlts: function()
    /*====================================================
        - removes external filters
    =====================================================*/
    {
        if( !this.isExternalFlt && !this.externalFltTgtIds ) return;
        for(var ct=0; ct<this.externalFltTgtIds.length; ct++ )
            if( tf_Id(this.externalFltTgtIds[ct]) )
                tf_Id(this.externalFltTgtIds[ct]).innerHTML = '';
    },
    
    SetSort: function()
    /*====================================================
        - Sets sorting feature by loading 
        WebFX Sortable Table 1.12 by Erik Arvidsson
        and TF adapter by Max Guglielmi
    =====================================================*/
    {
        if(tf_isImported(this.sortConfig.src))
            this.Evt._EnableSort();
        else
            this.IncludeFile(
                this.sortConfig.name, 
                this.sortConfig.src, 
                this.Evt._EnableSort
            );
    },
    
    RemoveSort: function()
    /*====================================================
        - removes sorting feature
    =====================================================*/
    {
        if(!this.sort) return;
        this.sort = false;
    },
    
    PopulateSelect: function(colIndex,isExternal,extSlcId)
    { 
        this.EvtManager(
            this.Evt.name.populateselect,
            { slcIndex:colIndex, slcExternal:isExternal, slcId:extSlcId }
        ); 
    },
    _PopulateSelect: function(colIndex,isRefreshed,isExternal,extSlcId)
    /*====================================================
        - populates drop-down filters
    =====================================================*/
    {
        isExternal = (isExternal==undefined) ? false : isExternal;
        var slcId = this.fltIds[colIndex];
        if( tf_Id(slcId)==null && !isExternal ) return;
        if( tf_Id(extSlcId)==null && isExternal ) return;
        var slc = (!isExternal) ? tf_Id(slcId) : tf_Id(extSlcId);
        var o = this, row = this.tbl.rows;
        var fillMethod = this.slcFillingMethod.tf_LCase();
        var optArray = [], slcInnerHtml = '', opt0;
        var isCustomSlc = (this.hasCustomSlcOptions  //custom select test
                            && this.customSlcOptions.cols.tf_Has(colIndex));
        var optTxt = []; //custom selects text
        var activeFlt;
        if(isRefreshed && this.activeFilterId){
            activeFlt = this.activeFilterId.split('_')[0];
            activeFlt = activeFlt.split(this.prfxFlt)[1];
        }
        /*** remember grid values ***/
        var flts_values = [], fltArr = [];
        if(this.rememberGridValues)
        {
            flts_values = tf_CookieValueArray(this.fltsValuesCookie);            
            fltArr = (flts_values[colIndex]!=undefined) 
                        ? flts_values[colIndex].split(' '+this.orOperator+' ') 
                        : flts_values[colIndex] = [];            
        }
    
        for(var k=this.refRow; k<this.nbRows; k++)
        {
            // always visible rows don't need to appear on selects as always valid
            if( this.hasVisibleRows && this.visibleRows.tf_Has(k) && !this.paging ) 
                continue;
            var cell = tf_Tag(row[k],'td');
            var nchilds = cell.length;
            if(nchilds == this.nbCells && !isCustomSlc)
            {// checks if row has exact cell #
                
                for(var j=0; j<nchilds; j++)// this loop retrieves cell data
                {
                    if((colIndex==j && !isRefreshed) || 
                        (colIndex==j && isRefreshed && ((row[k].style.display == '' && !this.paging) || 
                            ( this.paging && ((activeFlt==undefined || activeFlt==colIndex) || (activeFlt!=colIndex && row[k].style.display == ''))) )))
                    {
                        var cell_data = tf_GetNodeText(cell[j]);
                        var cell_string = cell_data.tf_MatchCase(this.matchCase);//Váry Péter's patch
                        // checks if celldata is already in array
                        var isMatched = false;
                        isMatched = optArray.tf_Has(cell_string,this.matchCase);
                        
                        if(!isMatched)
                            optArray.push(cell_data);                        
                    }//if colIndex==j
                }//for j
            }//if
        }//for k
        
        //Retrieves custom values
        if(isCustomSlc)
        {
            var customValues = this.__getCustomValues(colIndex);
            optArray = customValues[0];
            optTxt = customValues[1];
        }
        
        if(this.sortSlc && !isCustomSlc)
            optArray.sort(this.matchCase ? null : tf_IgnoreCaseSort);
        
        if(this.sortNumAsc && this.sortNumAsc.tf_Has(colIndex))
        {//asc sort
            try{
                optArray.sort( tf_NumSortAsc ); 
                if(isCustomSlc) optTxt.sort( tf_NumSortAsc );
            } catch(e) {
                optArray.sort(); 
                if(isCustomSlc) optTxt.sort();
            }//in case there are alphanumeric values
        }
        if(this.sortNumDesc && this.sortNumDesc.tf_Has(colIndex))
        {//desc sort
            try{
                optArray.sort( tf_NumSortDesc ); 
                if(isCustomSlc) optTxt.sort( tf_NumSortDesc );
            } catch(e) {
                optArray.sort(); 
                if(isCustomSlc) optTxt.sort();
            }//in case there are alphanumeric values
        }
        
        AddOpts();//populates drop-down
        
        function AddOpt0()
        {// adds 1st option
            if( fillMethod == 'innerhtml' )
                slcInnerHtml += '<option value="">'+o.displayAllText+'</option>';
            else {
                var opt0 = tf_CreateOpt(o.displayAllText,'');            
                slc.appendChild(opt0);
            }
        }
        
        function AddOpts()
        {// populates select
            var slcValue = slc.value;
            slc.innerHTML = '';
            AddOpt0();            
            
            for(var y=0; y<optArray.length; y++)
            {            
                if( fillMethod == 'innerhtml' )
                {
                    var slcAttr = '';
                    var slcCustomTxt = (isCustomSlc) ? optTxt[y] : optArray[y];
                    if( o.fillSlcOnDemand && slcValue==optArray[y] )
                        slcAttr = 'selected="selected"';
                    slcInnerHtml += '<option value="'+optArray[y]+'" '
                                        +slcAttr+'>'+slcCustomTxt+'</option>';
                } else {
                    var opt;
                    //fill select on demand
                    if(o.fillSlcOnDemand && slcValue==optArray[y] && o['col'+colIndex]==o.fltTypeSlc)
                        opt = tf_CreateOpt( (isCustomSlc) ? optTxt[y] : optArray[y],
                                            optArray[y],
                                            true );
                    else{
                        if( o['col'+colIndex]!=o.fltTypeMulti )
                            opt = tf_CreateOpt( (isCustomSlc) ? optTxt[y] : optArray[y],
                                                optArray[y],
                                                (flts_values[colIndex]!=' ' && optArray[y]==flts_values[colIndex]) 
                                                ? true : false     );
                        else
                        {
                            opt = tf_CreateOpt( (isCustomSlc) ? optTxt[y] : optArray[y],
                                                optArray[y],
                                                (fltArr.tf_Has(optArray[y].tf_MatchCase(o.matchCase),o.matchCase)) 
                                                ? true : false     );
                        }
                    }
                    slc.appendChild(opt);
                }
            }// for y
            if( fillMethod == 'innerhtml' )
                slc.innerHTML += slcInnerHtml;
                
            slc.setAttribute('filled','1');
            
        }// fn AddOpt
    },
    
    PopulateCheckList: function(colIndex, isExternal, extFltId)
    {
        this.EvtManager(
            this.Evt.name.populatechecklist,
            { slcIndex:colIndex, slcExternal:isExternal, slcId:extFltId }
        ); 
    },
    _PopulateCheckList: function(colIndex, isExternal, extFltId)
    /*====================================================
        - populates checklist filters
    =====================================================*/
    {
        isExternal = (isExternal==undefined) ? false : isExternal;
        var divFltId = this.prfxCheckListDiv+colIndex+'_'+this.id;
        if( tf_Id(divFltId)==null && !isExternal ) return;
        if( tf_Id(extFltId)==null && isExternal ) return;
        var flt = (!isExternal) ? this.checkListDiv[colIndex] : tf_Id(extFltId);
        var ul = tf_CreateElm('ul',['id',this.fltIds[colIndex]],['colIndex',colIndex]);
        ul.className = this.checkListCssClass;
        ul.onchange = this.Evt._OnSlcChange;
        var o = this, row = this.tbl.rows;
        var optArray = [];
        var isCustomSlc = (this.hasCustomSlcOptions  //custom select test
                            && this.customSlcOptions.cols.tf_Has(colIndex));
        var optTxt = []; //custom selects text
        var activeFlt;
        if(this.refreshFilters && this.activeFilterId){
            activeFlt = this.activeFilterId.split('_')[0];
            activeFlt = activeFlt.split(this.prfxFlt)[1];
        }        
        
        for(var k=this.refRow; k<this.nbRows; k++)
        {
            // always visible rows don't need to appear on selects as always valid
            if( this.hasVisibleRows && this.visibleRows.tf_Has(k) && !this.paging ) 
                continue;
            var cells = tf_Tag(row[k],'td');
            var ncells = cells.length;
            if(ncells == this.nbCells && !isCustomSlc)
            {// checks if row has exact cell #
                for(var j=0; j<ncells; j++)
                {// this loop retrieves cell data
                    if((colIndex==j && !this.refreshFilters) || 
                    (colIndex==j && this.refreshFilters && ((row[k].style.display == '' && !this.paging) || 
                        ( this.paging && ((activeFlt==undefined || activeFlt==colIndex ) ||(activeFlt!=colIndex && row[k].style.display == '')) ))))
                    {
                        var cell_data = tf_GetNodeText(cells[j]);
                        var cell_string = cell_data.tf_MatchCase(this.matchCase);//Váry Péter's patch
                        // checks if celldata is already in array
                        var isMatched = false;
                        isMatched = optArray.tf_Has(cell_string,this.matchCase);
                        
                        if(!isMatched)
                            optArray.push(cell_data);
                    }
                }
            }
        }
        
        //Retrieves custom values
        if(isCustomSlc)
        {
            var customValues = this.__getCustomValues(colIndex);
            optArray = customValues[0];
            optTxt = customValues[1];
        }
        
        if(this.sortSlc && !isCustomSlc)
            optArray.sort(this.matchCase ? null : tf_IgnoreCaseSort);
        
        if(this.sortNumAsc && this.sortNumAsc.tf_Has(colIndex))
        {//asc sort
            try{
                optArray.sort( tf_NumSortAsc ); 
                if(isCustomSlc) optTxt.sort( tf_NumSortAsc );
            } catch(e) {
                optArray.sort(); 
                if(isCustomSlc) optTxt.sort();
            }//in case there are alphanumeric values
        }
        if(this.sortNumDesc && this.sortNumDesc.tf_Has(colIndex))
        {//desc sort
            try{
                optArray.sort( tf_NumSortDesc ); 
                if(isCustomSlc) optTxt.sort( tf_NumSortDesc );
            } catch(e) {
                optArray.sort(); 
                if(isCustomSlc) optTxt.sort();
            }//in case there are alphanumeric values
        }
        AddChecks();
            
        function AddCheck0()
        {// adds 1st option
            var li0 = tf_CreateCheckItem(o.fltIds[colIndex]+'_0', '', o.displayAllText);
            li0.className = o.checkListItemCssClass;
            ul.appendChild(li0);
            li0.check.onclick = function(){ o.__setCheckListValues(this); ul.onchange.call(null); };
            
            if(tf_isIE)
            {//IE: label looses check capability
                li0.label.onclick = function(){ li0.check.click(); };
            }
        }
        
        function AddChecks()
        {        
            AddCheck0();
            
            var flts_values = [], fltArr = []; //remember grid values
            if(tf_CookieValueByIndex(o.fltsValuesCookie, colIndex)!=undefined)
                fltArr = tf_CookieValueByIndex(o.fltsValuesCookie, colIndex).split(' '+o.orOperator+' ');
            for(var y=0; y<optArray.length; y++)
            {
                var li = tf_CreateCheckItem(
                    o.fltIds[colIndex]+'_'+(y+1), 
                    optArray[y], 
                    (isCustomSlc) ? optTxt[y] : optArray[y]
                );
                li.className = o.checkListItemCssClass;
                ul.appendChild(li);
                li.check.onclick = function(){ o.__setCheckListValues(this); ul.onchange.call(null); };
                
                /*** remember grid values ***/
                if(o.rememberGridValues)
                {
                    if(fltArr.tf_Has(optArray[y].tf_MatchCase(o.matchCase),o.matchCase))
                    {
                        li.check.checked = true;
                        o.__setCheckListValues(li.check);
                    }            
                }
                
                if(tf_isIE)
                {//IE: label looses check capability
                    li.label.onclick = function(){ this.firstChild.click(); };    
                }
            }
        }
        
        if(this.fillSlcOnDemand)
            flt.innerHTML = '';
        flt.appendChild(ul);
        flt.setAttribute('filled','1');
        
        /*** remember grid values IE only, items remain un-checked ***/
        if(o.rememberGridValues && tf_isIE)
        {
            var slcIndexes = ul.getAttribute('indexes');
            if(slcIndexes != null)
            {
                var indSplit = slcIndexes.split(',');//items indexes
                for(var n=0; n<indSplit.length; n++)
                {
                    var cChk = tf_Id(this.fltIds[colIndex]+'_'+indSplit[n]); //checked item
                    if(cChk) cChk.checked = true;
                }
            }
        }
    },
    
    Filter: function()
    {
        this.EvtManager(this.Evt.name.filter); 
    },
    _Filter: function()
    /*====================================================
        - Filtering fn
        - retrieves data from each td in every single tr
        and compares to search string for current
        column
        - tr is hidden if all search strings are not 
        found
    =====================================================*/
    {
        if( !this.fltGrid || (!this.hasGrid && !this.isFirstLoad) ) return;
        //invokes eventual onbefore method
        if(this.onBeforeFilter) this.onBeforeFilter.call(null,this);
        var row = this.tbl.rows;    
        f = this.fObj!=undefined ? this.fObj : [];
        var hiddenrows = 0;
        this.validRowsIndex = [];
        var o = this;        
        
        // removes keyword highlighting
        this.UnhighlightAll();
        // search args re-init
        this.searchArgs = this.GetFiltersValue(); 
        
        var num_cell_data, nbFormat;
        var re_le = new RegExp(this.leOperator), re_ge = new RegExp(this.geOperator);
        var re_l = new RegExp(this.lwOperator), re_g = new RegExp(this.grOperator);
        var re_d = new RegExp(this.dfOperator), re_lk = new RegExp(tf_RegexpEscape(this.lkOperator));
        var re_eq = new RegExp(this.eqOperator), re_st = new RegExp(this.stOperator);
        var re_en = new RegExp(this.enOperator), re_an = new RegExp(this.anOperator);
        var re_cr = new RegExp(this.curExp);
        
        function highlight(str,ok,cell){//keyword highlighting
            if( o.highlightKeywords && ok )
                tf_HighlightWord( cell,str,o.highlightCssClass );
        }
        
        //looks for search argument in current row
        function hasArg(sA,cell_data,j)
        {
            var occurence;
            //Search arg operator tests
            var hasLO = re_l.test(sA), hasLE = re_le.test(sA);
            var hasGR = re_g.test(sA), hasGE = re_ge.test(sA);
            var hasDF = re_d.test(sA), hasEQ = re_eq.test(sA);
            var hasLK = re_lk.test(sA), hasAN = re_an.test(sA);
            var hasST = re_st.test(sA), hasEN = re_en.test(sA);
            
            //Search arg dates tests
            var isLDate = ( hasLO && tf_isValidDate(sA.replace(re_l,''),dtType) );
            var isLEDate = ( hasLE && tf_isValidDate(sA.replace(re_le,''),dtType) );
            var isGDate = ( hasGR && tf_isValidDate(sA.replace(re_g,''),dtType) );
            var isGEDate = ( hasGE && tf_isValidDate(sA.replace(re_ge,''),dtType) );
            var isDFDate = ( hasDF && tf_isValidDate(sA.replace(re_d,''),dtType) );
            var isEQDate = ( hasEQ && tf_isValidDate(sA.replace(re_eq,''),dtType) );
                        
            if( tf_isValidDate(cell_data,dtType) )
            {//dates
                var dte1 = tf_formatDate(cell_data,dtType);
                if(isLDate) 
                {// lower date
                    var dte2 = tf_formatDate(sA.replace(re_l,''),dtType);
                    occurence = (dte1 < dte2);
                }
                
                else if(isLEDate) 
                {// lower equal date
                    var dte2 = tf_formatDate(sA.replace(re_le,''),dtType);
                    occurence = (dte1 <= dte2);
                }
                
                else if(isGEDate) 
                {// greater equal date
                    var dte2 = tf_formatDate(sA.replace(re_ge,''),dtType);
                    occurence = (dte1 >= dte2);
                }
                
                else if(isGDate) 
                {// greater date
                    var dte2 = tf_formatDate(sA.replace(re_g,''),dtType);
                    occurence = (dte1 > dte2);
                }
                
                else if(isDFDate) 
                {// different date
                    var dte2 = tf_formatDate(sA.replace(re_d,''),dtType);
                    occurence = (dte1.toString() != dte2.toString());
                }
                
                else if(isEQDate) 
                {// equal date
                    var dte2 = tf_formatDate(sA.replace(re_eq,''),dtType);
                    occurence = (dte1.toString() == dte2.toString());
                }
                
                else if(re_lk.test(sA)) // searched keyword with * operator doesn't have to be a date
                {// like date
                    occurence = o.__containsStr( sA.replace(re_lk,''),cell_data,null,false);
                }
                
                else if(tf_isValidDate(sA,dtType))
                {
                    var dte2 = tf_formatDate(sA,dtType);
                    occurence = (dte1.toString() == dte2.toString());
                }
            }
            
            else 
            {                        
                //first numbers need to be formated
                if(o.hasColNbFormat && o.colNbFormat[j]!=null)
                {
                    num_cell_data = tf_removeNbFormat(cell_data,o.colNbFormat[j]);
                    nbFormat = o.colNbFormat[j];
                } else {
                    if(o.thousandsSeparator==',' && o.decimalSeparator=='.')
                    {
                        num_cell_data = tf_removeNbFormat(cell_data,'us');
                        nbFormat = 'us';
                    } else {
                        num_cell_data = tf_removeNbFormat(cell_data,'eu');
                        nbFormat = 'eu';
                    }
                }
                
                // first checks if there is any operator (<,>,<=,>=,!,*,=,{,})
                if(hasLE) //lower equal
                    occurence = num_cell_data <= tf_removeNbFormat(sA.replace(re_le,''),nbFormat);
                
                else if(hasGE) //greater equal
                    occurence = num_cell_data >= tf_removeNbFormat(sA.replace(re_ge,''),nbFormat);
                
                else if(hasLO) //lower
                    occurence = num_cell_data < tf_removeNbFormat(sA.replace(re_l,''),nbFormat);
                    
                else if(hasGR) //greater
                    occurence = num_cell_data > tf_removeNbFormat(sA.replace(re_g,''),nbFormat);                            
                    
                else if(hasDF) //different
                    occurence = o.__containsStr( sA.replace(re_d,''),cell_data ) ? false : true;
            
                else if(hasLK) //like
                    occurence = o.__containsStr( sA.replace(re_lk,''),cell_data,null,false);
                
                else if(hasEQ) //equal
                    occurence = o.__containsStr( sA.replace(re_eq,''),cell_data,null,true);
                
                else if(hasST) //starts with
                    occurence = cell_data.indexOf(sA.replace(re_st,''))==0 ? true : false;
                
                else if(hasEN) //ends with
                {
                    var searchArg = sA.replace(re_en,'');
                    occurence = cell_data.lastIndexOf(searchArg,cell_data.length-1)==(cell_data.length-1)-(searchArg.length-1)
                        && cell_data.lastIndexOf(searchArg,cell_data.length-1) > -1
                        ? true : false;
                }
                
                else
                    occurence = o.__containsStr( sA,cell_data,(f['col_'+j]==undefined) ? this.fltTypeInp : f['col_'+j] );
                
            }//else
            return occurence;
        }//fn
        
        for(var k=this.refRow; k<this.nbRows; k++)
        {
            /*** if table already filtered some rows are not visible ***/
            if(row[k].style.display == 'none') row[k].style.display = '';
                    
            var cell = tf_Tag(row[k],'td');
            var nchilds = cell.length;            
            
            // checks if row has exact cell #
            if(nchilds != this.nbCells) continue;
    
            var occurence = [];
            var isRowValid = (this.searchType=='include') ? true : false;
            var singleFltRowValid = false; //only for single filter search
            
            for(var j=0; j<nchilds; j++)
            {// this loop retrieves cell data
                var sA = this.searchArgs[(this.singleSearchFlt) ? 0 : j]; //searched keyword
                var dtType = (this.hasColDateType) ? this.colDateType[j] : this.defaultDateType;
                if(sA=='') continue;
                
                var cell_data = tf_GetNodeText(cell[j]).tf_MatchCase(this.matchCase);
    
                var sAOrSplit = sA.split(this.orOperator);//multiple search parameter operator ||
                var hasMultiOrSA = (sAOrSplit.length>1) ? true : false;//multiple search || parameter boolean
                var sAAndSplit = sA.split('&&');//multiple search parameter operator &&
                var hasMultiAndSA = (sAAndSplit.length>1) ? true : false;//multiple search && parameter boolean
                if(hasMultiOrSA)
                {//multiple sarch parameters
                    var cS, occur = false;
                    for(var w=0; w<sAOrSplit.length; w++)
                    {
                        cS = sAOrSplit[w].tf_Trim();
                        occur = hasArg(cS,cell_data,j);
                        highlight(cS,occur,cell[j]);
                        if(occur) break;
                    }
                    occurence[j] = occur;
                } 
                else if(hasMultiAndSA)
                {
                    var cS, occur = false;
                    for(var r=0; r<sAAndSplit.length; r++)
                    {
                        cS = sAAndSplit[r].tf_Trim();
                        occur = hasArg(cS,cell_data,j);
                        if(!occur) break;
                        highlight(cS,occurence[j],cell[j]);
                    }
                    occurence[j] = occur;
                }
                else {//single search parameter        
                    occurence[j] = hasArg(sA.tf_Trim(),cell_data,j);
                    highlight(sA,occurence[j],cell[j]);
                }//else single param
                
                if(!occurence[j]) isRowValid = (this.searchType=='include') ? false : true;
                if(this.singleSearchFlt && occurence[j]) singleFltRowValid = true;
                
            }//for j
            
            if(this.singleSearchFlt && singleFltRowValid) isRowValid = true;
            
            if(!isRowValid)
            {
                this.SetRowValidation(k,false);
                // always visible rows need to be counted as valid
                if( this.hasVisibleRows && this.visibleRows.tf_Has(k) && !this.paging)
                    this.validRowsIndex.push(k);
                else
                    hiddenrows++;
            } else {
                this.SetRowValidation(k,true);
                this.validRowsIndex.push(k);
                this.SetRowBg(k,this.validRowsIndex.length);
                if(this.onRowValidated) this.onRowValidated.call(null,this,k)
            }
            
        }// for k
        
        this.nbVisibleRows = this.validRowsIndex.length;
        this.nbHiddenRows = hiddenrows;
        this.isStartBgAlternate = false;
        if( this.rememberGridValues ) this.RememberFiltersValue(this.fltsValuesCookie);
        if( !this.paging ) this.ApplyGridProps();//applies filter props after filtering process
        if( this.paging )
        { 
            this.startPagingRow=0; 
            this.currentPageNb = 1;
            this.SetPagingInfo(this.validRowsIndex); 
        }//starts paging process
        //invokes eventual onafter function
        if(this.onAfterFilter) this.onAfterFilter.call(null,this);        
    },
    
    SetPagingInfo: function( validRows )
    /*====================================================
        - calculates page # according to valid rows
        - refreshes paging select according to page #
        - Calls GroupByPage method
    =====================================================*/
    {
        var row = this.tbl.rows;
        var mdiv = ( this.pagingTgtId==null ) ? this.mDiv : tf_Id( this.pagingTgtId );
        var pgspan = tf_Id(this.prfxPgSpan+this.id);
        
        if( validRows!=undefined ) this.validRowsIndex = validRows;//stores valid rows index
        else 
        {
            this.validRowsIndex = [];//re-sets valid rows index
    
            for(var j=this.refRow; j<this.nbRows; j++)//counts rows to be grouped 
            {
                var isRowValid = row[j].getAttribute('validRow');
                if(isRowValid=='true' || isRowValid==null )
                        this.validRowsIndex.push(j);
            }//for j
        }
    
        this.nbPages = Math.ceil( this.validRowsIndex.length/this.pagingLength );//calculates nb of pages
        pgspan.innerHTML = this.nbPages; //refresh page nb span 
        if(this.pageSelectorType==this.fltTypeSlc) 
            this.pagingSlc.innerHTML = '';//select clearing shortcut
        
        if( this.nbPages>0 )
        {
            mdiv.style.visibility = 'visible';
            if(this.pageSelectorType==this.fltTypeSlc)
                for(var z=0; z<this.nbPages; z++)
                {
                    var currOpt = new Option((z+1),z*this.pagingLength,false,false);
                    this.pagingSlc.options[z] = currOpt;
                }
            else this.pagingSlc.value = this.currentPageNb; //input type
            
        } else {/*** if no results paging select and buttons are hidden ***/
            mdiv.style.visibility = 'hidden';
        }
        this.GroupByPage( this.validRowsIndex );
    },
    
    GroupByPage: function( validRows )
    /*====================================================
        - Displays current page rows
    =====================================================*/
    {
        var row = this.tbl.rows;
        var paging_end_row = parseInt( this.startPagingRow ) + parseInt( this.pagingLength );
        
        if( validRows!=undefined ) this.validRowsIndex = validRows;//stores valid rows index
    
        for(h=0; h<this.validRowsIndex.length; h++)
        {//this loop shows valid rows of current page
            if( h>=this.startPagingRow && h<paging_end_row )
            {
                row[ this.validRowsIndex[h] ].style.display = '';
                this.SetRowBg(this.validRowsIndex[h],h);
            } else { 
                row[ this.validRowsIndex[h] ].style.display = 'none';
                this.RemoveRowBg(this.validRowsIndex[h]);
            }
        }
        
        this.nbVisibleRows = this.validRowsIndex.length;
        this.isStartBgAlternate = false;
        this.ApplyGridProps();//re-applies filter behaviours after filtering process
    },
    
    ApplyGridProps: function()
    /*====================================================
        - checks methods that should be called
        after filtering and/or paging process
    =====================================================*/
    {
        if( this.activeFlt && this.activeFlt.nodeName.tf_LCase()==this.fltTypeSlc )
        {// blurs active filter (IE)
            this.activeFlt.blur(); 
            if(this.activeFlt.parentNode) this.activeFlt.parentNode.focus(); 
        }
        
        if( this.visibleRows ) this.SetVisibleRows();//shows rows always visible
        if( this.colOperation ) this.SetColOperation();//makes operation on a col
        if( this.refreshFilters ) this.RefreshFiltersGrid();//re-populates drop-down filters
        var nr = (!this.paging && this.hasVisibleRows) 
                    ? (this.nbVisibleRows - this.visibleRows.length) : this.nbVisibleRows;
        if( this.rowsCounter ) this.RefreshNbRows( nr );//refreshes rows counter
    },
    
    RefreshNbRows: function(p)
    /*====================================================
        - Shows total number of filtered rows
    =====================================================*/
    {
        if(this.rowsCounterSpan == null) return;
        var totTxt;
        if(!this.paging)
        {
            if(p!=undefined && p!='') totTxt=p;
            else totTxt = (this.nbFilterableRows - this.nbHiddenRows - (this.hasVisibleRows ? this.visibleRows.length : 0) );
        } else {
            var paging_start_row = parseInt(this.startPagingRow)+((this.nbVisibleRows>0) ? 1 : 0);//paging start row
            var paging_end_row = (paging_start_row+this.pagingLength)-1 <= this.nbVisibleRows 
                ? (paging_start_row+this.pagingLength)-1 : this.nbVisibleRows;
            totTxt = paging_start_row+'-'+paging_end_row+' / '+this.nbVisibleRows;
        } 
        this.rowsCounterSpan.innerHTML = totTxt;
    },
    
    ChangePage: function( index )
    {
        this.EvtManager(this.Evt.name.changepage,{ pgIndex:index });
    },
    _ChangePage: function( index )
    /*====================================================
        - Changes page
        - Param:
            - index: option index of paging select 
            (numeric value)
    =====================================================*/
    {
        if( !this.paging ) return;
        if( index==undefined ) 
            index = (this.pageSelectorType==this.fltTypeSlc) ? 
                this.pagingSlc.options.selectedIndex : (this.pagingSlc.value-1);
        if( index>=0 && index<=(this.nbPages-1) )
        {
            this.currentPageNb = parseInt(index)+1;
            if(this.pageSelectorType==this.fltTypeSlc)
                this.pagingSlc.options[index].selected = true;
            else
                this.pagingSlc.value = this.currentPageNb;
            if( this.rememberPageNb ) this.RememberPageNb( this.pgNbCookie );
            this.startPagingRow = (this.pageSelectorType==this.fltTypeSlc)
                ? this.pagingSlc.value : (index*this.pagingLength);
            this.GroupByPage();
        }
    },
    
    ChangeResultsPerPage: function()
    {
        this.EvtManager(this.Evt.name.changeresultsperpage);
    },
    _ChangeResultsPerPage: function()
    /*====================================================
        - calculates rows to be displayed in a page
        - method called by nb results per page select
    =====================================================*/
    {
        if( !this.paging ) return;
        var slcR = this.resultsPerPageSlc;
        var slcPagesSelIndex = (this.pageSelectorType==this.fltTypeSlc) 
            ? this.pagingSlc.selectedIndex : parseInt(this.pagingSlc.value-1);
        this.pagingLength = parseInt(slcR.options[slcR.selectedIndex].value);
        this.startPagingRow = this.pagingLength*slcPagesSelIndex;
        if( !isNaN(this.pagingLength) )
        {
            if( this.startPagingRow>=this.nbFilterableRows )
                this.startPagingRow = (this.nbFilterableRows-this.pagingLength);
            this.SetPagingInfo();
            if(this.pageSelectorType==this.fltTypeSlc)
            {
                var slcIndex = (this.pagingSlc.options.length-1<=slcPagesSelIndex ) 
                                ? (this.pagingSlc.options.length-1) : slcPagesSelIndex;
                this.pagingSlc.options[slcIndex].selected = true;
            }
            if( this.rememberPageLen ) this.RememberPageLength( this.pgLenCookie );
        }//if isNaN
    },
    
    Sort: function()
    {
        this.EvtManager(this.Evt.name.sort);
    },
    
    GetColValues: function(colindex,num,exclude)
    /*====================================================
        - returns an array containing cell values of
        a column
        - needs following args:
            - column index (number)
            - a boolean set to true if we want only 
            numbers to be returned
            - array containing rows index to be excluded
            from returned values
    =====================================================*/
    {
        if( !this.fltGrid ) return;
        var row = this.tbl.rows;
        var colValues = [];
    
        for(var i=this.refRow; i<this.nbRows; i++)//iterates rows
        {
            var isExludedRow = false;
            if(exclude!=undefined && (typeof exclude).tf_LCase()=='object')
            { // checks if current row index appears in exclude array
                isExludedRow = exclude.tf_Has(i); //boolean
            }
            var cell = tf_Tag(row[i],'td');
            var nchilds = cell.length;
            
            if(nchilds == this.nbCells && !isExludedRow)
            {// checks if row has exact cell # and is not excluded
                for(var j=0; j<nchilds; j++)// this loop retrieves cell data
                {
                    if(j==colindex && row[i].style.display=='' )
                    {
                        var cell_data = tf_GetNodeText( cell[j] ).tf_LCase();
                        var nbFormat = this.colNbFormat ? this.colNbFormat[colindex] : null;
                        (num) ? colValues.push( tf_removeNbFormat(cell_data,nbFormat) ) 
                                : colValues.push( cell_data );
                    }//if j==k
                }//for j
            }//if nchilds == this.nbCells
        }//for i
        return colValues;    
    },
    
    GetFilterValue: function(index)
    /*====================================================
        - Returns value of a specified filter
        - Params:
            - index: filter column index (numeric value)
    =====================================================*/
    {
        if( !this.fltGrid ) return;
        var fltValue;
        var flt = tf_Id(this.fltIds[index]);
        if(flt==null) return fltValue='';
        
        if( this['col'+index]!=this.fltTypeMulti && 
            this['col'+index]!=this.fltTypeCheckList )
            fltValue = flt.value;
        else if(this['col'+index] == this.fltTypeMulti)
        {//mutiple select
            fltValue = '';
            for(var j=0; j<flt.options.length; j++) 
                if(flt.options[j].selected)
                    fltValue = fltValue.concat(
                                flt.options[j].value+' ' +
                                this.orOperator + ' '
                                );
            //removes last operator ||
            fltValue = fltValue.substr(0,fltValue.length-4);
        }
        else if(this['col'+index]==this.fltTypeCheckList)
        {//checklist
            if(flt.getAttribute('value')!=null)
            {
                fltValue = flt.getAttribute('value');
                //removes last operator ||
                fltValue = fltValue.substr(0,fltValue.length-3);
            } else fltValue = '';
        }            
        return fltValue;
    },
    
    GetFiltersValue: function()
    /*====================================================
        - Returns the value of every single filter
    =====================================================*/
    {
        if( !this.fltGrid ) return;
        var searchArgs = [];
        for(var i=0; i<this.fltIds.length; i++)
            searchArgs.push(
                this.GetFilterValue(i).tf_MatchCase(this.matchCase).tf_Trim()
            );
        return searchArgs;
    },
    
    GetFilterId: function(index)
    /*====================================================
        - Returns filter id of a specified column
        - Params:
            - index: column index (numeric value)
    =====================================================*/
    {
        if( !this.fltGrid ) return;
        return this.fltIds[i];
    },
    
    GetFiltersByType: function(type,bool)
    /*====================================================
        - returns an array containing ids of filters of a 
        specified type (inputs or selects)
        - Note that hidden filters are also returned
        - Needs folllowing args:
            - filter type string ('input','select',
            'multiple')
            - optional boolean: if set true method
            returns column indexes otherwise filters ids
    =====================================================*/
    {
        if( !this.fltGrid ) return;
        var arr = [];
        for(var i=0; i<this.fltIds.length; i++)
        {
            var fltType = this['col'+i];
            if(fltType == type.tf_LCase())
            {
                var a = (bool) ? i : this.fltIds[i];
                arr.push(a);
            }
        }
        return arr;
    },
    
    GetCellsNb: function( rowIndex )
    /*====================================================
        - returns number of cells in a row
        - if rowIndex param is passed returns number of 
        cells of specified row (number)
    =====================================================*/
    {
        var tr = (rowIndex == undefined) ? this.tbl.rows[0] : this.tbl.rows[rowIndex];
        var n = tf_GetChildElms(tr);
        return n.childNodes.length;
    },
    
    GetRowsNb: function()
    /*====================================================
        - returns total nb of filterable rows starting 
        from reference row if defined
    =====================================================*/
    {
        var s = this.refRow==undefined ? 0 : this.refRow;
        var ntrs = this.tbl.rows.length;
        return parseInt(ntrs-s);
    },
    
    GetTableData: function()
    /*====================================================
        - returns an array containing table data:
        [rowindex,[value1,value2,value3...]]
    =====================================================*/
    {
        var row = this.tbl.rows;
        for(var k=this.refRow; k<this.nbRows; k++)
        {
            var rowData, cellData;
            rowData = [k,[]];
            var cells = tf_Tag(row[k],'td');
            for(var j=0; j<cells.length; j++)
            {// this loop retrieves cell data
                var cell_data = tf_GetNodeText(cells[j]);
                rowData[1].push( cell_data );
            }
            this.tblData.push( rowData )
        }
        return this.tblData;
    },
    
    GetFilteredData: function()
    /*====================================================
        - returns an array containing filtered data:
        [rowindex,[value1,value2,value3...]]
    =====================================================*/
    {
        var row = this.tbl.rows;
        var filteredData = [];
        for(var i=0; i<this.validRowsIndex.length; i++)
        {
            var rowData, cellData;
            rowData = [this.validRowsIndex[i],[]];
            var cells = tf_Tag(row[this.validRowsIndex[i]],'td');
            for(var j=0; j<cells.length; j++)
            {
                var cell_data = tf_GetNodeText(cells[j]);
                rowData[1].push( cell_data );
            }
            filteredData.push(rowData);
        }
        return filteredData;
    },
    
    GetFilteredDataCol: function(colIndex)
    /*====================================================
        - returns an array containing filtered data of a
        specified column. 
        - Params:
            - colIndex: index of the column (number)
        - returned array:
        [value1,value2,value3...]
    =====================================================*/
    {
        if(colIndex==undefined) return [];
        var data =  this.GetFilteredData();
        var colData = [];
        for(var i=0; i<data.length; i++)
        {
            var r = data[i];
            var d = r[1]; //cols values of current row
            var c = d[colIndex]; //data of searched column
            colData.push(c);
        }
        return colData;
    },
    
    GetRowDisplay: function(row)
    {
        if( !this.fltGrid && typeof row.tf_LCase!='object' ) return;
        return row.style.display;
    },
    
    SetRowValidation: function( rowIndex,isValid )
    /*====================================================
        - Validates/unvalidates row by setting 'validRow' 
        attribute and shows/hides row
        - Params:
            - rowIndex: index of the row (number)
            - isValid: boolean
    =====================================================*/
    {
        var row = this.tbl.rows[rowIndex];
        if( !row || (typeof isValid).tf_LCase()!='boolean' ) return;
    
        // always visible rows are valid
        if( this.hasVisibleRows && this.visibleRows.tf_Has(rowIndex) && !this.paging )
            isValid = true;
        
        var displayFlag = (isValid) ? '' : 'none';
        var validFlag = (isValid) ? 'true' : 'false';        
        row.style.display = displayFlag;
        
        if( this.paging ) 
            row.setAttribute('validRow',validFlag);
    },
    
    ValidateAllRows: function()
    /*====================================================
        - Validates all filterable rows
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        this.validRowsIndex = [];
        for(var k=this.refRow; k<this.nbFilterableRows; k++)
        {
            this.SetRowValidation(k,true);
            this.validRowsIndex.push(k);
        }
    },
    
    SetFilterValue: function(index,searcharg,doFilter)
    /*====================================================
        - Inserts value in a specified filter
        - Params:
            - index: filter column index (numeric value)
            - searcharg: search string
            - doFilter: optional boolean for multiple
            selects: executes filtering when multiple 
            select populated... IE only!
    =====================================================*/
    {
        if( (!this.fltGrid && !this.isFirstLoad) || tf_Id(this.fltIds[index])==null ) return;
        var slc = tf_Id(this.fltIds[index]);
        var execFilter = (doFilter==undefined) ? true : doFilter;
        searcharg = (searcharg==undefined) ? '' : searcharg;
        
        if( this['col'+index]!=this.fltTypeMulti && 
            this['col'+index]!=this.fltTypeCheckList )
            slc.value = searcharg;
            
        else if(this['col'+index] == this.fltTypeMulti)
        {//multiple selects
            var s = searcharg.split(' '+this.orOperator+' ');
            var ct = 0; //keywords counter
            for(var j=0; j<slc.options.length; j++) 
            {
                if(s=='') slc.options[j].selected = false;
                if(slc.options[j].value=='') slc.options[j].selected = false;
                if(slc.options[j].value!='' && s.tf_Has(slc.options[j].value,true))
                {
                    if(tf_isIE)
                    {// IE multiple selection work-around
                        //when last value reached filtering can be executed
                        var filter = (ct==(s.length-1) && execFilter) ? true : false;
                        this.__deferMultipleSelection(slc,j,filter);
                        ct++;
                    }                    
                    else
                        slc.options[j].selected = true;
                }//if
            }//for j
        }
        
        else if(this['col'+index]==this.fltTypeCheckList)
        {//checklist
            searcharg = searcharg.tf_MatchCase(this.matchCase);
            var s = searcharg.split(' '+this.orOperator+' ');
            var fltValue = slc.setAttribute('value','');
            var fltIndex = slc.setAttribute('indexes','');
            for(var k=0; k<tf_Tag(slc,'li').length; k++) 
            {
                var li = tf_Tag(slc,'li')[k];
                var lbl = tf_Tag(li,'label')[0];
                var chk = tf_Tag(li,'input')[0];
                var lblTxt = tf_GetNodeText(lbl).tf_MatchCase(this.matchCase);
                if(lblTxt!='' && s.tf_Has(lblTxt,true))
                {
                    chk.checked = true;
                    this.__setCheckListValues(chk);
                }
                else{ 
                    chk.checked = false;
                    this.__setCheckListValues(chk);
                }
            }
        }
    },
    SetColWidths: function()
    /*====================================================
        - sets coluun widths in pixels
    =====================================================*/
    {
        if( !this.fltGrid || !this.hasColWidth ) return;
        var o = this;
        setWidths( this.tbl.rows[0] );
        
        function setWidths( row )
        {
            if( !o && (o.nbCells!=o.colWidth.length) ) return;
            if( o.nbCells==row.cells.length )
                for(var k=0; k<o.nbCells; k++)
                    row.cells[k].style.width = o.colWidth[k];
        }
    },
    
    SetVisibleRows: function()
    /*====================================================
        - makes a row always visible
        - Note this works only if paging is false
    =====================================================*/
    {
        if( this.hasGrid && this.hasVisibleRows && !this.paging )
        {
            for(var i=0; i<this.visibleRows.length; i++)
            {
                if(this.visibleRows[i]<=this.nbRows)//row index cannot be > nrows
                    this.SetRowValidation(this.visibleRows[i],true);
            }//for i
        }//if hasGrid
    },
    
    SetRowBg: function(rIndex,index)
    /*====================================================
        - sets row background color
        - Params:
            - rIndex: row index (numeric value)
            - index: valid row collection index needed to
            calculate bg color
    =====================================================*/
    {
        if(!this.alternateBgs || isNaN(rIndex)) return;
        var rows = this.tbl.rows;
        var i = (index==undefined) ? rIndex : index;
        this.RemoveRowBg(rIndex);
        tf_addClass(
            rows[rIndex],
            (i%2 == 0) ? this.rowBgEvenCssClass : this.rowBgOddCssClass
        );
    },
    
    RemoveRowBg: function(index)
    /*====================================================
        - removes row background color
        - Params:
            - index: row index (numeric value)
    =====================================================*/
    {
        if(isNaN(index)) return;
        var rows = this.tbl.rows;
        tf_removeClass(rows[index],this.rowBgOddCssClass);
        tf_removeClass(rows[index],this.rowBgEvenCssClass);
    },
    
    SetAlternateRows: function()
    /*====================================================
        - alternates row colors for better readability
    =====================================================*/
    {
        if( !this.hasGrid && !this.isFirstLoad ) return;
        var rows = this.tbl.rows;
        var noValidRowsIndex = this.validRowsIndex==null;
        var beginIndex = (noValidRowsIndex) ? this.refRow : 0; //1st index
        var indexLen = (noValidRowsIndex) // nb indexes
            ? (this.nbFilterableRows+beginIndex) : this.validRowsIndex.length;
        for(var j=beginIndex; j<indexLen; j++)//alternates bg color
        {
            var rIndex = (noValidRowsIndex) ? j : this.validRowsIndex[j];
            this.SetRowBg(rIndex);
        }
    },
    
    RemoveAlternateRows: function()
    /*====================================================
        - removes alternate row colors
    =====================================================*/
    {
        if(!this.hasGrid) return;
        var row = this.tbl.rows;
        for(var i=this.refRow; i<this.nbRows; i++)
            this.RemoveRowBg(i);
        this.isStartBgAlternate = true;
    },
    
    SetColOperation: function()
    /*====================================================
        - Calculates values of a column
        - params are stored in 'colOperation' table's
        attribute
            - colOperation['id'] contains ids of elements 
            showing result (array)
            - colOperation['col'] contains index of 
            columns (array)
            - colOperation['operation'] contains operation
            type (array, values: sum, mean)
            - colOperation['write_method'] array defines 
            which method to use for displaying the 
            result (innerHTML, setValue, createTextNode).
            Note that innerHTML is the default value.
            - colOperation['tot_row_index'] defines in 
            which row results are displayed (integers array)
            
        - changes made by nuovella: 
        (1) optimized the routine (now it will only 
        process each column once),
        (2) added calculations for the median, lower and 
        upper quartile.
    =====================================================*/
    {
        if( !this.isFirstLoad && !this.hasGrid ) return;
        
        if(this.onBeforeOperation) this.onBeforeOperation.call(null,this);
        
        var labelId = this.colOperation['id'];
        var colIndex = this.colOperation['col'];
        var operation = this.colOperation['operation'];
        var outputType = this.colOperation['write_method'];
        var totRowIndex = this.colOperation['tot_row_index'];
        var excludeRow = this.colOperation['exclude_row'];
        var decimalPrecision = this.colOperation['decimal_precision']!=undefined
                                ? this.colOperation['decimal_precision'] : 2;
        
        //nuovella: determine unique list of columns to operate on
        var ucolIndex =[]; 
        var ucolMax=0;
        
        ucolIndex[ucolMax]=colIndex[0];
        
        for(var i=1; i<colIndex.length; i++)
        {
            saved=0;
            //see if colIndex[i] is already in the list of unique indexes
            for(var j=0; j<=ucolMax; j++ )
            {
                if (ucolIndex[j]==colIndex[i])
                    saved=1;
            }
            if (saved==0)
            {//if not saved then, save the index;
                ucolMax++;
                ucolIndex[ucolMax]=colIndex[i];
            }
        }// for i
        
        if( (typeof labelId).tf_LCase()=='object' 
            && (typeof colIndex).tf_LCase()=='object' 
            && (typeof operation).tf_LCase()=='object' )
        {
            var row = this.tbl.rows;
            var colvalues = [];
            
            for(var ucol=0; ucol<=ucolMax; ucol++)
            {
                //this retrieves col values 
                //use ucolIndex because we only want to pass through this loop once for each column
                //get the values in this unique column
                colvalues.push( this.GetColValues(ucolIndex[ucol],true,excludeRow) );
                
               //next: calculate all operations for this column
               var result, nbvalues=0,  temp;
               var meanValue=0, sumValue=0, minValue=null, maxValue=null, q1Value=null, medValue=null, q3Value=null;
               var meanFlag=0, sumFlag=0, minFlag=0, maxFlag=0, q1Flag=0, medFlag=0, q3Flag=0;
               var theList=[];
               var opsThisCol=[], decThisCol=[], labThisCol=[], oTypeThisCol=[];
               var mThisCol=-1;
                
                for(var i=0; i<colIndex.length; i++)
                {
                     if (colIndex[i]==ucolIndex[ucol])
                     {
                        mThisCol++;
                        opsThisCol[mThisCol]=operation[i].tf_LCase();
                        decThisCol[mThisCol]=decimalPrecision[i];
                        labThisCol[mThisCol]=labelId[i]; 
                        oTypeThisCol = (outputType != undefined && (typeof outputType).tf_LCase()=='object') 
                                            ? outputType[i] : null;
                        
                        switch( opsThisCol[mThisCol] )
                        {            
                            case 'mean':
                                meanFlag=1;
                            break;
                            case 'sum':
                                sumFlag=1;
                            break;
                            case 'min':
                                minFlag=1;
                            break;
                            case 'max':
                                maxFlag=1;
                            break;
                            case 'median':
                                medFlag=1;    
                                break;
                            case 'q1':
                                q1Flag=1;
                            break;
                            case 'q3':
                                q3Flag=1;
                            break;
                        }
                    }        
                }
                
                for(var j=0; j<colvalues[ucol].length; j++ )
                {
                    if ((q1Flag==1)||(q3Flag==1) || (medFlag==1))
                    {//sort the list for calculation of median and quartiles
                        if (j<colvalues[ucol].length -1)
                        {
                            for(k=j+1;k<colvalues[ucol].length; k++) {
                  
                                if( eval(colvalues[ucol][k]) < eval(colvalues[ucol][j]))
                                {
                                    temp = colvalues[ucol][j];            
                                    colvalues[ucol][j] = colvalues[ucol][k];              
                                    colvalues[ucol][k] = temp;            
                                }
                            }
                        }
                    }
                    var cvalue = parseFloat(colvalues[ucol][j]);
                    theList[j]=parseFloat( cvalue );
    
                    if( !isNaN(cvalue) )
                    {
                        nbvalues++;
                        if ((sumFlag==1)|| (meanFlag==1)) sumValue += parseFloat( cvalue );
                        if (minFlag==1) 
                        {
                            if (minValue==null)
                            {
                                minValue = parseFloat( cvalue );
                            }
                            else minValue= parseFloat( cvalue )<minValue? parseFloat( cvalue ): minValue;
                        }
                        if (maxFlag==1) {
                            if (maxValue==null)
                            {maxValue = parseFloat( cvalue );}
                        else {maxValue= parseFloat( cvalue )>maxValue? parseFloat( cvalue ): maxValue;}
                        }
                    }
                }//for j
                if (meanFlag==1) meanValue = sumValue/nbvalues;
                if (medFlag==1)
                {
                        var aux = 0;
                        if(nbvalues%2 == 1) 
                        {
                            aux = Math.floor(nbvalues/2);
                            medValue = theList[aux];   
                        }
                    else medValue = (theList[nbvalues/2]+theList[((nbvalues/2)-1)])/2;
                }
                if (q1Flag==1)
                {    
                    var posa=0.0;
                    posa = Math.floor(nbvalues/4);
                    if (4*posa == nbvalues) {q1Value = (theList[posa-1] + theList[posa])/2;}
                    else {q1Value = theList[posa];}
                }
                if (q3Flag==1)
                {
                    var posa=0.0;
                    var posb=0.0;
                    posa = Math.floor(nbvalues/4);
                    if (4*posa == nbvalues)
                    {
                        posb = 3*posa;
                        q3Value = (theList[posb] + theList[posb-1])/2;  
                    }
                    else
                        q3Value = theList[nbvalues-posa-1];
                }
                
                for(var i=0; i<=mThisCol; i++ )
                {
                   switch( opsThisCol[i] )
                   {            
                        case 'mean':
                            result=meanValue;
                        break;
                        case 'sum':
                            result=sumValue;
                        break;
                        case 'min':
                            result=minValue;
                        break;
                        case 'max':
                            result=maxValue;
                        break;
                        case 'median':
                            result=medValue;    
                            break;
                        case 'q1':
                            result=q1Value;
                        break;
                        case 'q3':
                            result=q3Value;
                        break;
                  }        
                    
                var precision = decThisCol[i]!=undefined && !isNaN( decThisCol[i] )
                                    ? decThisCol[i] : 2;
                if(oTypeThisCol!=null && result)
                {//if outputType is defined
                    result = result.toFixed( precision );
                    if( tf_Id( labThisCol[i] )!=undefined )
                    {
                        switch( oTypeThisCol.tf_LCase() )
                        {
                            case 'innerhtml':                            
                                if (isNaN(result) || !isFinite(result) || (nbvalues==0)) 
                                    tf_Id( labThisCol[i] ).innerHTML = '.';
                                else
                                    tf_Id( labThisCol[i] ).innerHTML = result;
                            break;
                            case 'setvalue':
                                tf_Id( labThisCol[i] ).value = result;
                            break;
                            case 'createtextnode':
                                var oldnode = tf_Id( labThisCol[i] ).firstChild;
                                var txtnode = tf_CreateText( result );
                                tf_Id( labThisCol[i] ).replaceChild( txtnode,oldnode );
                            break;
                        }//switch
                    }
                } else {
                    try
                    {      
                        if (isNaN(result) || !isFinite(result) || (nbvalues==0)) 
                            tf_Id( labThisCol[i] ).innerHTML = '.';
                        else
                             tf_Id( labThisCol[i] ).innerHTML = result.toFixed( precision );
                    } catch(e){ }//catch
                }//else
             }//for i
            //eventual row(s) with result are always visible
            if(totRowIndex!=undefined && row[totRowIndex[ucol]]) 
                row[totRowIndex[ucol]].style.display = '';
            }//for ucol
        }//if typeof
        
        if(this.onAfterOperation) this.onAfterOperation.call(null,this);
    },
    
    SetPage: function( cmd )
    /*====================================================
        - If paging set true shows page according to
        param value (string or number):
            - strings: 'next','previous','last','first' or
            - number: page number
    =====================================================*/
    {
        if( this.hasGrid && this.paging )
        {
            var btnEvt = this.pagingBtnEvents, cmdtype = typeof cmd;
            if(cmdtype=='string')
            {
                switch(cmd.tf_LCase())
                {
                    case 'next':
                        btnEvt.next();
                    break;
                    case 'previous':
                        btnEvt.prev();
                    break;
                    case 'last':
                        btnEvt.last();
                    break;
                    case 'first':
                        btnEvt.first();
                    break;
                    default:
                        btnEvt.next();
                    break;
                }//switch
            }
            if(cmdtype=='number') this.ChangePage( (cmd-1) );
        }// this.hasGrid 
    },
    
    RefreshFiltersGrid: function()
    /*====================================================
        - retrieves select filters
        - calls method repopulating filters
    =====================================================*/
    {
        var slcA1 = this.GetFiltersByType( this.fltTypeSlc,true );
        var slcA2 = this.GetFiltersByType( this.fltTypeMulti,true );
        var slcA3 = this.GetFiltersByType( this.fltTypeCheckList,true );
        var slcIndex = slcA1.concat(slcA2);
        slcIndex = slcIndex.concat(slcA3);
        if( this.activeFilterId!=null )//for paging
        {
            var activeFlt = this.activeFilterId.split('_')[0];
            activeFlt = activeFlt.split(this.prfxFlt)[1];
            var slcSelectedValue;
            for(var i=0; i<slcIndex.length; i++)
            {
                var curSlc = tf_Id(this.fltIds[slcIndex[i]]);
                slcSelectedValue = this.GetFilterValue( slcIndex[i] );
                if(activeFlt==slcIndex[i] && slcA3.tf_Has(slcIndex[i]) && slcSelectedValue!=this.displayAllText) continue;
                if(activeFlt!=slcIndex[i] || slcSelectedValue==this.displayAllText || this.paging)
                {
                    if(slcA3.tf_Has(slcIndex[i]))
                        this.checkListDiv[slcIndex[i]].innerHTML = '';
                    else curSlc.innerHTML = '';
                    
                    if(this.fillSlcOnDemand) { //1st option needs to be inserted
                        var opt0 = tf_CreateOpt(this.displayAllText,'');
                        curSlc.appendChild( opt0 );
                    }
                    
                    if(slcA3.tf_Has(slcIndex[i]))
                        this._PopulateCheckList(slcIndex[i]);
                    else this._PopulateSelect(slcIndex[i],true);
                    this.SetFilterValue(slcIndex[i],slcSelectedValue);
                }
            }// for i
        }
    },
    
    RememberFiltersValue: function( name )
    /*==============================================
        - stores filters' values in a cookie
        when Filter() method is called
        - Params:
            - name: cookie name (string)
        - credits to Florent Hirchy
    ===============================================*/
    {
        var flt_values = [];
        for(var i=0; i<this.fltIds.length; i++)
        {//creates an array with filters' values
            value = this.GetFilterValue(i);
            if (value == '') value = ' ';
            flt_values.push(value);
        }
        flt_values.push(this.fltIds.length); //adds array size
        tf_WriteCookie(
            name,
            flt_values,
            this.cookieDuration
        ); //writes cookie  
    },
    
    RememberPageNb: function( name )
    /*==============================================
        - stores page number value in a cookie
        when ChangePage method is called
        - Params:
            - name: cookie name (string)
    ===============================================*/
    {
        tf_WriteCookie(
            name,
            this.currentPageNb,
            this.cookieDuration
        ); //writes cookie  
    },
    
    RememberPageLength: function( name )
    /*==============================================
        - stores page length value in a cookie
        when ChangePageLength method is called
        - Params:
            - name: cookie name (string)
    ===============================================*/
    {
        tf_WriteCookie(
            name,
            this.resultsPerPageSlc.selectedIndex,
            this.cookieDuration
        ); //writes cookie
    },
    
    ResetValues: function()
    { 
        this.EvtManager(this.Evt.name.resetvalues); 
    },
    
    _ResetValues: function()
    /*==============================================
        - re-sets grid values when page is 
        re-loaded. It invokes ResetGridValues,
        ResetPage and ResetPageLength methods
        - Params:
            - name: cookie name (string)
    ===============================================*/
    {
        if(this.rememberGridValues && this.fillSlcOnDemand) //only fillSlcOnDemand
            this.ResetGridValues(this.fltsValuesCookie);
        if(this.rememberPageLen) this.ResetPageLength( this.pgLenCookie );
        if(this.rememberPageNb) this.ResetPage( this.pgNbCookie );        
    },    
    
    ResetGridValues: function( name )
    /*==============================================
        - re-sets filters' values when page is 
        re-loaded if load on demand is enabled
        - Params:
            - name: cookie name (string)
        - credits to Florent Hirchy
    ===============================================*/
    {
        if(!this.fillSlcOnDemand) return;
        var flts = tf_ReadCookie(name); //reads the cookie
        var reg = new RegExp(',','g');    
        var flts_values = flts.split(reg); //creates an array with filters' values
        var slcFltsIndex = this.GetFiltersByType(this.fltTypeSlc, true);
        var multiFltsIndex = this.GetFiltersByType(this.fltTypeMulti, true);
        
        if(flts_values[(flts_values.length-1)] == this.fltIds.length)
        {//if the number of columns is the same as before page reload
            for(var i=0; i<(flts_values.length - 1); i++)
            {            
                if (flts_values[i]==' ') continue;                
                if(this['col'+i]==this.fltTypeSlc || this['col'+i]==this.fltTypeMulti)
                {// if fillSlcOnDemand, drop-down needs to contain stored value(s) for filtering
                    var slc = tf_Id( this.fltIds[i] );
                    slc.options[0].selected = false;
                    
                    if( slcFltsIndex.tf_Has(i) )
                    {//selects
                        var opt = tf_CreateOpt(flts_values[i],flts_values[i],true);
                        slc.appendChild(opt);
                        this.hasStoredValues = true;
                    }
                    if(multiFltsIndex.tf_Has(i))
                    {//multiple select
                        var s = flts_values[i].split(' '+this.orOperator+' ');
                        for(j=0; j<s.length; j++)
                        {
                            if(s[j]=='') continue;
                            var opt = tf_CreateOpt(s[j],s[j],true);
                            slc.appendChild(opt);
                            this.hasStoredValues = true;
                            
                            if(tf_isIE)
                            {// IE multiple selection work-around
                                this.__deferMultipleSelection(slc,j,false);
                                hasStoredValues = false;
                            }
                        }
                    }// if multiFltsIndex
                }
                else if(this['col'+i]==this.fltTypeCheckList)
                {
                    var divChk = this.checkListDiv[i];
                    divChk.title = divChk.innerHTML;
                    divChk.innerHTML = '';
                    
                    var ul = tf_CreateElm('ul',['id',this.fltIds[i]],['colIndex',i]);
                    ul.className = this.checkListCssClass;
                    var li0 = tf_CreateCheckItem(this.fltIds[i]+'_0', '', this.displayAllText);
                    li0.className = this.checkListItemCssClass;
                    ul.appendChild(li0);
                    divChk.appendChild(ul);
                    
                    var s = flts_values[i].split(' '+this.orOperator+' ');
                    for(j=0; j<s.length; j++)
                    {
                        if(s[j]=='') continue;
                        var li = tf_CreateCheckItem(this.fltIds[i]+'_'+(j+1), s[j], s[j]);
                        li.className = this.checkListItemCssClass;
                        ul.appendChild(li);
                        li.check.checked = true;
                        this.__setCheckListValues(li.check);
                        this.hasStoredValues = true;
                    }                    
                }
            }//end for
            
            if(!this.hasStoredValues && this.paging) this.SetPagingInfo();
        }//end if
    },
    
    ResetPage: function( name )
    {
        this.EvtManager(this.Evt.name.resetpage);
    },
    _ResetPage: function( name )
    /*==============================================
        - re-sets page nb at page re-load
        - Params:
            - name: cookie name (string)
    ===============================================*/
    {
        var pgnb = tf_ReadCookie(name); //reads the cookie
        if( pgnb!='' ) 
            this.ChangePage((pgnb-1));
    },
    
    ResetPageLength: function( name )
    {
        this.EvtManager(this.Evt.name.resetpagelength);
    },
    _ResetPageLength: function( name )
    /*==============================================
        - re-sets page length at page re-load
        - Params:
            - name: cookie name (string)
    ===============================================*/
    {
        if(!this.paging) return;
        var pglenIndex = tf_ReadCookie(name); //reads the cookie
        
        if( pglenIndex!='' )
        {
            this.resultsPerPageSlc.options[pglenIndex].selected = true;
            this.ChangeResultsPerPage();
        }
    },
    
    SetLoader: function()
    /*====================================================
        - generates loader div
    =====================================================*/
    {
        if( this.loaderDiv!=null ) return;
        var containerDiv = tf_CreateElm( 'div',['id',this.prfxLoader+this.id] );
        containerDiv.className = this.loaderCssClass;// for ie<=6
        //containerDiv.style.display = 'none';
        var targetEl = (this.loaderTgtId==null) ? this.tbl.parentNode : tf_Id( this.loaderTgtId );
        if(this.loaderTgtId==null) targetEl.insertBefore(containerDiv, this.tbl);
        else targetEl.appendChild( containerDiv );
        this.loaderDiv = tf_Id(this.prfxLoader+this.id);
        if(this.loaderHtml==null) 
            this.loaderDiv.appendChild( tf_CreateText(this.loaderText) );
        else this.loaderDiv.innerHTML = this.loaderHtml;
    },
    
    RemoveLoader: function()
    /*====================================================
        - removes loader div
    =====================================================*/
    {
        if( this.loaderDiv==null ) return;
        var targetEl = (this.loaderTgtId==null) ? this.tbl.parentNode : tf_Id( this.loaderTgtId );
        targetEl.removeChild(this.loaderDiv);
        this.loaderDiv = null;
    },
    
    ShowLoader: function(p)
    /*====================================================
        - displays/hides loader div
    =====================================================*/
    {
        if(!this.loader || !this.loaderDiv) return;
        if(this.loaderDiv.style.display==p) return;
        var o = this;
        function displayLoader(){ 
            if(!o.loaderDiv) return;
            if(o.onShowLoader && p!='none') 
                o.onShowLoader.call(null,o);
            o.loaderDiv.style.display = p;
            if(o.onHideLoader && p=='none') 
                o.onHideLoader.call(null,o);
        }
        var t = (p=='none') ? this.loaderCloseDelay : 1;
        window.setTimeout(displayLoader,t);
    },
    
    StatusMsg: function(t)
    /*====================================================
        - sets status messages
    =====================================================*/
    {
        if(t==undefined) this.StatusMsg('');
        if(this.status) this.WinStatusMsg(t);
        if(this.statusBar) this.StatusBarMsg(t);
    },
    
    StatusBarMsg: function(t)
    /*====================================================
        - sets status bar messages
    =====================================================*/
    {
        if(!this.statusBar || !this.statusBarSpan) return;
        var o = this;
        function setMsg(){
            o.statusBarSpan.innerHTML = t;
        }
        var d = (t=='') ? (this.statusBarCloseDelay) : 1;
        window.setTimeout(setMsg,d);
    },
    
    WinStatusMsg: function(t)
    /*====================================================
        - sets window status messages
    =====================================================*/
    {
        if(!this.status) return;
        window.status = t;
    },
    
    ClearFilters: function()
    { 
        this.EvtManager(this.Evt.name.clear); 
    },    
    _ClearFilters: function()
    /*====================================================
        - clears grid filters
    =====================================================*/
    {
        if( !this.fltGrid ) return;
        for(var i=0; i<this.fltIds.length; i++)
            this.SetFilterValue(i,'');
        if(this.refreshFilters)    this.RefreshFiltersGrid();
        if(this.rememberPageLen) tf_RemoveCookie(this.pgLenCookie);
        if(this.rememberPageNb) tf_RemoveCookie(this.pgNbCookie);
    },
    
    UnhighlightAll: function()
    /*====================================================
        - removes keyword highlighting
    =====================================================*/
    {
        if( this.highlightKeywords && this.searchArgs!=null )
            for(var y=0; y<this.searchArgs.length; y++)
                tf_UnhighlightWord( 
                    this.tbl,this.searchArgs[y],
                    this.highlightCssClass 
                );
    },
    
    RefreshGrid: function()
    /*====================================================
        - Re-generates filters grid
    =====================================================*/
    {
        this.RemoveGrid();
        setFilterGrid(this.id, this.startRow, this.fObj);
    },
    
    __resetGrid: function()
    /*====================================================
        - Only used by AddGrid() method
        - Resets filtering grid bar if previously removed
    =====================================================*/
    {
        if( this.isFirstLoad ) return;
        
        // grid was removed, grid row element is stored in this.fltGridEl property
        this.tbl.rows[this.filtersRowIndex].parentNode.insertBefore( 
            this.fltGridEl,
            this.tbl.rows[this.filtersRowIndex]
        );
        
        if( this.isExternalFlt )
        {// filters are appended in external placeholders elements
            for(var ct=0; ct<this.externalFltTgtIds.length; ct++ )
                if( tf_Id(this.externalFltTgtIds[ct]) )
                    tf_Id(this.externalFltTgtIds[ct]).appendChild(this.externalFltEls[ct]);
        }
        
        this.nbFilterableRows = this.GetRowsNb();
        this.nbVisibleRows = this.nbFilterableRows;
        this.nbRows = this.tbl.rows.length;
        this.sort = true;
        
        /***     ie bug work-around, filters need to be re-generated
                since row is empty; insertBefore method doesn't seem to work properly 
                with previously generated DOM nodes modified by innerHTML     ***/
        if( this.tbl.rows[this.filtersRowIndex].innerHTML=='' )
        {
            this.tbl.deleteRow(this.filtersRowIndex);
            this.RemoveGrid();
            this.RemoveExternalFlts();
            this.fltIds = [];
            this.isFirstLoad = true;
            this.AddGrid();
            
        }
        
        this.hasGrid = true;
    },
    
    __deferMultipleSelection: function(slc,index,filter)
    /*====================================================
        - IE bug: it seems there is no way to make 
        multiple selections programatically, only last 
        selection is kept (multiple select previously 
        populated via DOM)
        - Turn-around: defer selection with a setTimeout
        If you find an alternative elegant solution to 
        this let me know ;-)
        - For the moment only this solution seems 
        to work!
        - Params: 
            - slc = select object (select obj)
            - index to be selected (integer)
            - execute filtering (boolean)
    =====================================================*/
    {
        if(slc.nodeName.tf_LCase() != 'select') return;
        var doFilter = (filter==undefined) ? false : filter;
        var o = this;
        window.setTimeout(
            function(){
                slc.options[0].selected = false;
                
                if(slc.options[index].value=='') 
                    slc.options[index].selected = false;
                else
                slc.options[index].selected = true; 
                if(doFilter) o.Filter();
            },
            .1
        );
    },
    
    __getCustomValues: function(colIndex)
    /*====================================================
        - Returns an array [[values],[texts]] with 
        custom values for a given filter
        - Param: column index (integer)
    =====================================================*/
    {
        if(colIndex==undefined) return;
        var isCustomSlc = (this.hasCustomSlcOptions  //custom select test
                            && this.customSlcOptions.cols.tf_Has(colIndex));
        if(!isCustomSlc) return;
        var optTxt = [], optArray = [];
        var index = this.customSlcOptions.cols.tf_IndexByValue(colIndex);
        var slcValues = this.customSlcOptions.values[index];
        var slcTexts = this.customSlcOptions.texts[index];
        var slcSort = this.customSlcOptions.sorts[index];
        for(var r=0; r<slcValues.length; r++)
        {
            optArray.push(slcValues[r]);
            if(slcTexts[r]!=undefined)
                optTxt.push(slcTexts[r]);
            else
                optTxt.push(slcValues[r]);
        }
        if(slcSort)
        {
            optArray.sort();
            optTxt.sort();
        }
        return [optArray,optTxt];
    },
    
    __setCheckListValues: function(o)
    /*====================================================
        - Sets checked items information of a checklist
    =====================================================*/
    {
        if(o==null) return;
        var chkValue = o.value; //checked item value
        var chkIndex = parseInt(o.id.split('_')[2]);
        var filterTag = 'ul', itemTag = 'li';
        var n = o;
        
        //ul tag search
        while(n.nodeName.tf_LCase() != filterTag)
            n = n.parentNode;
        if(n.nodeName.tf_LCase() != filterTag) return;
        
        var li = n.childNodes[chkIndex];
        var colIndex = n.getAttribute('colIndex');
        var fltValue = n.getAttribute('value'); //filter value (ul tag)
        var fltIndexes = n.getAttribute('indexes'); //selected items (ul tag)
        if(o.checked)        
        {
            if(chkValue=='')
            {//show all item
                if((fltIndexes!=null && fltIndexes!=''))
                {
                    var indSplit = fltIndexes.split(this.separator);//items indexes
                    for(var u=0; u<indSplit.length; u++)
                    {//checked items loop
                        var cChk = tf_Id(this.fltIds[colIndex]+'_'+indSplit[u]); //checked item
                        if(cChk)
                        { 
                            cChk.checked = false;
                            tf_removeClass(
                                n.childNodes[indSplit[u]],
                                this.checkListSlcItemCssClass
                            );
                        }
                    }
                }
                n.setAttribute('value', '');
                n.setAttribute('indexes', '');
            } else {
                fltValue = (fltValue) ? fltValue : '';
                chkValue = (fltValue+' '+chkValue +' '+this.orOperator).tf_Trim();
                chkIndex = fltIndexes + chkIndex + this.separator;
                n.setAttribute('value', chkValue );
                n.setAttribute('indexes', chkIndex);
                //1st option unchecked
                if(tf_Id(this.fltIds[colIndex]+'_0'))
                    tf_Id(this.fltIds[colIndex]+'_0').checked = false; 
            }
            
            if(li.nodeName.tf_LCase() == itemTag)
            {
                tf_removeClass(n.childNodes[0],this.checkListSlcItemCssClass);
                tf_addClass(li,this.checkListSlcItemCssClass);
            }
        } else { //removes values and indexes
            if(chkValue!='')
            {
                var replaceValue = new RegExp(tf_RegexpEscape(chkValue+' '+this.orOperator));
                fltValue = fltValue.replace(replaceValue,'');
                n.setAttribute('value', fltValue);
                
                var replaceIndex = new RegExp(tf_RegexpEscape(chkIndex + this.separator));
                fltIndexes = fltIndexes.replace(replaceIndex,'');
                n.setAttribute('indexes', fltIndexes);
            }
            if(li.nodeName.tf_LCase() == itemTag)
                tf_removeClass(li,this.checkListSlcItemCssClass);
        }    
    },
    
    __containsStr: function(arg,data,fltType,forceMatch)
    /*==============================================
        - Checks if data contains searched arg,
        returns a boolean
        - Params:
            - arg: searched string
            - data: data string
            - fltType: filter type (string, 
            exact match by default for selects - 
            optional)
            - forceMatch: boolean forcing exact
            match (optional)
    ===============================================*/
    {
        // Improved by Cedric Wartel (cwl)
        // automatic exact match for selects and special characters are now filtered
        var regexp;
        var modifier = (this.matchCase) ? 'g' : 'gi';
        var exactMatch = (forceMatch==undefined) ? this.exactMatch : forceMatch;
        if(exactMatch || (fltType!=this.fltTypeInp && fltType!=undefined))//Váry Péter's patch
            regexp = new RegExp('(^\\s*)'+tf_RegexpEscape(arg)+'(\\s*$)', modifier);                            
        else
            regexp = new RegExp(tf_RegexpEscape(arg), modifier);
        return regexp.test(data);
    },
    
    IncludeFile: function(fileId, filePath, callback, type)
    {
        var ftype = (type==undefined) ? 'script' : type;
        var isImported = tf_isImported(filePath, ftype);
        if( isImported ) return;
        
        var o = this, isLoaded = false, file;            
        var head = tf_Tag(document,'head')[0];
        
        if(ftype.tf_LCase() == 'link')
            file = tf_CreateElm(
                        'link', ['id',fileId], ['type','text/css'],
                        ['rel','stylesheet'], ['href',filePath]
                    );
        else
            file = tf_CreateElm(
                        'script', ['id',fileId], 
                        ['type','text/javascript'], ['src',filePath]
                    );
        file.onload = file.onreadystatechange = function()
        {
            if (!isLoaded && 
                (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete')) 
            {
                isLoaded = true;
                if (typeof callback === 'function')
                    callback(o);
            }
        }
        head.appendChild(file);
    },
    
    /*====================================================
        - Additional public methods for developers
    =====================================================*/
    
    HasGrid: function()
    /*====================================================
        - checks if table has a filter grid
        - returns a boolean
    =====================================================*/
    {
        return this.hasGrid;
    },
    
    GetFiltersId: function()
    /*====================================================
        - returns an array containing filters ids
        - Note that hidden filters are also returned
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        return this.fltIds;
    },
    
    GetValidRowsIndex: function()
    /*====================================================
        - returns an array containing valid rows indexes 
        (valid rows upon filtering)
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        return this.validRowsIndex;
    },
    
    GetFiltersRowIndex: function()
    /*====================================================
        - Returns the index of the row containing the 
        filters
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        return this.filtersRowIndex;
    },
    
    GetHeadersRowIndex: function()
    /*====================================================
        - Returns the index of the headers row
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        return this.headersRow;
    },
    
    GetStartRowIndex: function()
    /*====================================================
        - Returns the index of the row from which will 
        start the filtering process (1st filterable row)
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        return this.refRow;
    },
    
    GetLastRowIndex: function()
    /*====================================================
        - Returns the index of the last row
    =====================================================*/
    {
        if( !this.hasGrid ) return;
        return (this.nbRows-1);
    },
    
    AddPaging: function(filterTable)
    /*====================================================
        - Adds paging feature if filter grid bar is 
        already set
        - Param(s):
            - execFilter: if true table is filtered 
            (boolean)
    =====================================================*/
    {
        if( !this.hasGrid || this.paging ) return;
        this.paging = true; 
        this.isPagingRemoved = true; 
        this.SetPaging();
        if(filterTable) this.Filter();
    }    
    
}
/* --- */
/*====================================================
    - General TF utility fns below
=====================================================*/
function tf_GetChildElms(n)
/*====================================================
    - checks passed node is a ELEMENT_NODE nodeType=1
    - removes TEXT_NODE nodeType=3  
=====================================================*/
{
    if(n!=undefined && n.nodeType == 1)
    {
        var enfants = n.childNodes;
        for(var i=0; i<enfants.length; i++)
        {
            var child = enfants[i];
            if(child.nodeType == 3)
            { 
                n.removeChild(child);
                i = -1;
            }
        }
        return n;    
    }
}
function tf_GetNodeText(n)
/*====================================================
    - returns text + text of child nodes of a node
=====================================================*/
{
    /*if(n.innerText) return n.innerText.tf_Trim();
    var s = '';
    var enfants = n.childNodes;
    for(var i=0; i<enfants.length; i++)
    {
        var child = enfants[i];
        if(child.nodeType == 3) s+= child.data;
        else s+= tf_GetNodeText(child).tf_Trim();
    }*/
    var s = n.textContent || n.innerText || n.innerHTML.replace(/\<[^<>]+>/g, '');
    return s.replace(/^\s+/, '').replace(/\s+$/, '');
    return s.tf_Trim();
}
function tf_isObj(varname)
/*====================================================
    - checks if var exists and is an object
    - returns a boolean
=====================================================*/
{
    var isO = false;
    if( window[varname] && (typeof window[varname]).tf_LCase()=='object' )
        isO = true;
    return isO;
}
function tf_isFn(fn)
/*====================================================
    - checks if passed param is a function
    - returns a boolean
=====================================================*/
{
    var isFn = false;
    if(fn && (typeof fn).tf_LCase() == 'function')
        isFn = true;
    return isFn;
}
function tf_Id(id)
/*====================================================
    - this is just a getElementById shortcut
=====================================================*/
{
    return document.getElementById( id );
}
function tf_Tag(o,tagname)
/*====================================================
    - this is just a getElementsByTagName shortcut
=====================================================*/
{
    return o.getElementsByTagName( tagname );
}
function tf_RegexpEscape(s)
/*====================================================
    - escapes special characters [\^$.|?*+() 
    for regexp
    - Many thanks to Cedric Wartel for this fn
=====================================================*/
{
    // traite les caractères spéciaux [\^$.|?*+()
    //remplace le carctère c par \c
    function escape(e)
    {
        a = new RegExp('\\'+e,'g');
        s = s.replace(a,'\\'+e);
    }
    chars = new Array('\\','[','^','$','.','|','?','*','+','(',')');
    //for(e in chars) escape(chars[e]); // compatibility issue with prototype
    for(var e=0; e<chars.length; e++) escape(chars[e]);
    return s;
}
function tf_CreateElm(tag)
/*====================================================
    - returns an html element with its attributes
    - accepts the following params:
        - a string defining the html tag
        to create
        - an undetermined # of arrays containing the
        couple 'attribute name','value' ['id','myId']
=====================================================*/
{
    if(tag==undefined || tag==null || tag=='') return;
    var el = document.createElement( tag );        
    if(arguments.length>1)
    {
        for(var i=0; i<arguments.length; i++)
        {
            var argtype = typeof arguments[i];
            switch( argtype.tf_LCase() )
            {
                case 'object':
                    if( arguments[i].length==2 )
                    {                        
                        el.setAttribute( arguments[i][0],arguments[i][1] );
                    }//if array length==2
                break;
            }//switch
        }//for i
    }//if args
    return el;    
}
function tf_CreateText(node)
/*====================================================
    - this is just a document.createTextNode shortcut
=====================================================*/
{
    return document.createTextNode( node );
}
function tf_CreateOpt(text,value,isSel)
/*====================================================
    - creates an option element and returns it:
        - text: displayed text (string)
        - value: option value (string)
        - isSel: is selected option (boolean)
=====================================================*/
{
    var isSelected = isSel ? true : false;
    var opt = (isSelected) 
        ? tf_CreateElm('option',['value',value],['selected','true'])
        : tf_CreateElm('option',['value',value]);
    opt.appendChild(tf_CreateText(text));
    return opt;
}
function tf_CreateCheckItem(chkIndex, chkValue, labelText)
/*====================================================
    - creates an checklist item and returns it
    - accepts the following params:
        - chkIndex: index of check item (number)
        - chkValue: check item value (string)
        - labelText: check item label text (string)
=====================================================*/
{
    if(chkIndex==undefined || chkValue==undefined || labelText==undefined )
        return;
    var li = tf_CreateElm('li');
    var label = tf_CreateElm('label',['for',chkIndex]);
    var check = tf_CreateElm( 'input',
                    ['id',chkIndex],
                    ['name',chkIndex],
                    ['type','checkbox'],
                    ['value',chkValue] );
    label.appendChild(check);
    label.appendChild(tf_CreateText(labelText));
    li.appendChild(label);
    li.label = label;
    li.check = check;
    return li;
}
function tf_HighlightWord( node,word,cssClass )
/*====================================================
    - highlights keyword found in passed node
    - accepts the following params:
        - node
        - word to search
        - css class name for highlighting
=====================================================*/
{
    // Iterate into this nodes childNodes
    if(node.hasChildNodes) 
        for( var i=0; i<node.childNodes.length; i++ )
            tf_HighlightWord(node.childNodes[i],word,cssClass);
    // And do this node itself
    if(node.nodeType == 3) 
    { // text node
        var tempNodeVal = node.nodeValue.tf_LCase();
        var tempWordVal = word.tf_LCase();
        if(tempNodeVal.indexOf(tempWordVal) != -1) 
        {
            var pn = node.parentNode;
            if(pn.className != cssClass) 
            {
                // word has not already been highlighted!
                var nv = node.nodeValue;
                var ni = tempNodeVal.indexOf(tempWordVal);
                // Create a load of replacement nodes
                var before = tf_CreateText(nv.substr(0,ni));
                var docWordVal = nv.substr(ni,word.length);
                var after = tf_CreateText(nv.substr(ni+word.length));
                var hiwordtext = tf_CreateText(docWordVal);
                var hiword = tf_CreateElm('span');
                hiword.className = cssClass;
                hiword.appendChild(hiwordtext);
                pn.insertBefore(before,node);
                pn.insertBefore(hiword,node);
                pn.insertBefore(after,node);
                pn.removeChild(node);
            }
        }
    }// if node.nodeType == 3
}
function tf_UnhighlightWord( node,word,cssClass )
/*====================================================
    - removes highlights found in passed node
    - accepts the following params:
        - node
        - word to search
        - css class name for highlighting
=====================================================*/
{
    // Iterate into this nodes childNodes
    if(node.hasChildNodes)
        for( var i=0; i<node.childNodes.length; i++ )
            tf_UnhighlightWord(node.childNodes[i],word,cssClass);
    // And do this node itself
    if(node.nodeType == 3) 
    { // text node
        var tempNodeVal = node.nodeValue.tf_LCase();
        var tempWordVal = word.tf_LCase();
        if(tempNodeVal.indexOf(tempWordVal) != -1)
        {
            var pn = node.parentNode;
            if(pn.className == cssClass)
            {
                var prevSib = pn.previousSibling;
                var nextSib = pn.nextSibling;
                nextSib.nodeValue = prevSib.nodeValue + node.nodeValue + nextSib.nodeValue;
                prevSib.nodeValue = '';
                node.nodeValue = '';
            }
        }
    }// if node.nodeType == 3
}
function tf_addEvent(obj,event_name,func_name)
{
    if (obj.attachEvent)
        obj.attachEvent('on'+event_name, func_name);
    else if(obj.addEventListener)
        obj.addEventListener(event_name,func_name,true);
    else
        obj['on'+event_name] = func_name;
}
function tf_removeEvent(obj,event_name,func_name)
{
    if (obj.detachEvent)
        obj.detachEvent('on'+event_name,func_name);
    else if(obj.removeEventListener)
        obj.removeEventListener(event_name,func_name,true);
    else
        obj['on'+event_name] = null;
}
function tf_NumSortAsc(a, b){ return (a-b); }
function tf_NumSortDesc(a, b){ return (b-a); }
function tf_IgnoreCaseSort(a, b) {
    var x = a.tf_LCase();
    var y = b.tf_LCase();
    return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}
String.prototype.tf_MatchCase = function (mc) 
{
    if (!mc) return this.tf_LCase();
    else return this.toString();
}
String.prototype.tf_Trim = function()
{//optimised by Anthony Maes
    return this.replace(/(^[\s\xA0]*)|([\s\xA0]*$)/g,'');
}
String.prototype.tf_LCase = function()
{
    return this.toLowerCase();
}
String.prototype.tf_UCase = function()
{
    return this.toUpperCase();
}
Array.prototype.tf_Has = function(s,mc) 
{
    //return this.indexOf(s) >= 0;
    var sCase = (mc==undefined) ? false : mc;
    for (i=0; i<this.length; i++)
        if (this[i].toString().tf_MatchCase(sCase)==s) return true;
    return false;
}
Array.prototype.tf_IndexByValue = function(s,mc) 
{
    var sCase = (mc==undefined) ? false : mc;
    for (i=0; i<this.length; i++)
        if (this[i].toString().tf_MatchCase(sCase)==s) return i;
    return (-1);
}
// Is this IE? the ultimate browser sniffer ;-)
window['tf_isIE'] = (window.innerHeight) ? false : true;
function tf_hasClass(elm,cl) 
{
    return elm.className.match(new RegExp('(\\s|^)'+cl+'(\\s|$)'));
}
function tf_addClass(elm,cl) 
{
    if (!tf_hasClass(elm,cl))
        elm.className += ' '+cl;
}
function tf_removeClass(elm,cl) 
{
    if ( !tf_hasClass(elm,cl) ) return;
    var reg = new RegExp('(\\s|^)'+cl+'(\\s|$)');
    elm.className = elm.className.replace(reg,' ');
}
function tf_isValidDate(dateStr, format) 
{
    if (format == null) { format = 'DMY'; }
    format = format.toUpperCase();
    if (format.length != 3) { format = 'DMY'; }
    if ( (format.indexOf('M') == -1) || (format.indexOf('D') == -1) ||
        (format.indexOf('Y') == -1) ) { format = 'DMY'; }
    if (format.substring(0, 1) == 'Y') { // If the year is first
          var reg1 = /^\d{2}(\-|\/|\.)\d{1,2}\1\d{1,2}$/;
          var reg2 = /^\d{4}(\-|\/|\.)\d{1,2}\1\d{1,2}$/;
    } else if (format.substring(1, 2) == 'Y') { // If the year is second
          var reg1 = /^\d{1,2}(\-|\/|\.)\d{2}\1\d{1,2}$/;
          var reg2 = /^\d{1,2}(\-|\/|\.)\d{4}\1\d{1,2}$/;
    } else { // The year must be third
          var reg1 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{2}$/;
          var reg2 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/;
    }
    // If it doesn't conform to the right format (with either a 2 digit year or 4 digit year), fail
    if ( (reg1.test(dateStr) == false) && (reg2.test(dateStr) == false) ) { return false; }
    var parts = dateStr.split(RegExp.$1); // Split into 3 parts based on what the divider was
    // Check to see if the 3 parts end up making a valid date
    if (format.substring(0, 1) == 'M') { var mm = parts[0]; } else
        if (format.substring(1, 2) == 'M') { var mm = parts[1]; } else { var mm = parts[2]; }
    if (format.substring(0, 1) == 'D') { var dd = parts[0]; } else
        if (format.substring(1, 2) == 'D') { var dd = parts[1]; } else { var dd = parts[2]; }
    if (format.substring(0, 1) == 'Y') { var yy = parts[0]; } else
        if (format.substring(1, 2) == 'Y') { var yy = parts[1]; } else { var yy = parts[2]; }
    if (parseFloat(yy) <= 50) { yy = (parseFloat(yy) + 2000).toString(); }
    if (parseFloat(yy) <= 99) { yy = (parseFloat(yy) + 1900).toString(); }
    var dt = new Date(parseFloat(yy), parseFloat(mm)-1, parseFloat(dd), 0, 0, 0, 0);
    if (parseFloat(dd) != dt.getDate()) { return false; }
    if (parseFloat(mm)-1 != dt.getMonth()) { return false; }
    return true;
}
function tf_formatDate(dateStr, format)
{
    if(format==null) format = 'DMY';
    var oDate, parts;
    
    function y2kDate(yr){
        if(yr == undefined) return 0;
        if(yr.length>2) return yr;
        var y;
        if(yr <= 99 && yr>50) //>50 belong to 1900
            y = '19' + yr;
        if(yr<50 || yr =='00') //<50 belong to 2000
            y = '20' + yr;
        return y;
    }
    
    switch(format.toUpperCase())
    {
        case 'DMY':
            parts = dateStr.replace(/^(0?[1-9]|[12][0-9]|3[01])([- \/.])(0?[1-9]|1[012])([- \/.])((\d\d)?\d\d)$/,'$1 $3 $5').split(' ');
            oDate = new Date(y2kDate(parts[2]),parts[1]-1,parts[0]);
        break;
        case 'MDY':
            parts = dateStr.replace(/^(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])([- \/.])((\d\d)?\d\d)$/,'$1 $3 $5').split(' ');
            oDate = new Date(y2kDate(parts[2]),parts[0]-1,parts[1]);
        break;
        case 'YMD':
            parts = dateStr.replace(/^((\d\d)?\d\d)([- \/.])(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])$/,'$1 $4 $6').split(' ');
            oDate = new Date(y2kDate(parts[0]),parts[1]-1,parts[2]);
        break;
        default: //in case format is not correct
            parts = dateStr.replace(/^(0?[1-9]|[12][0-9]|3[01])([- \/.])(0?[1-9]|1[012])([- \/.])((\d\d)?\d\d)$/,'$1 $3 $5').split(' ');
            oDate = new Date(y2kDate(parts[2]),parts[1]-1,parts[0]);
        break;
    }
    return oDate;
}
function tf_removeNbFormat(data,format)
{
    if(data==null) return;
    if(format==null) format = 'us';
    var n = data;
    if( format.tf_LCase()=='us' )
        n =+ n.replace(/[^\d\.-]/g,'');
    else
        n =+ n.replace('.','').replace(',','.').replace(/[^\d\.-]/g,'');
    return n;
}
function tf_isImported(filePath,type)
{
    var isImported = false; 
    var importType = (type==undefined) ? 'script' : type;
    var files = tf_Tag(document,importType);
    for (var i=0; i<files.length; i++)
    {
        if(files[i].src == undefined) continue;
        if(files[i].src.match(filePath))
        {
            isImported = true;    
            break;
        }
    }
    return isImported;
}
function tf_WriteCookie(name, value, hours)
{
    var expire = '';
    if(hours != null)
    {
        expire = new Date((new Date()).getTime() + hours * 3600000);
        expire = '; expires=' + expire.toGMTString();
    }
    document.cookie = name + '=' + escape(value) + expire;
}
function tf_ReadCookie(name)
{
    var cookieValue = '';
    var search = name + '=';
    if(document.cookie.length > 0)
    { 
        offset = document.cookie.indexOf(search);
        if (offset != -1)
        { 
            offset += search.length;
            end = document.cookie.indexOf(';', offset);
            if (end == -1) end = document.cookie.length;
            cookieValue = unescape(document.cookie.substring(offset, end))
        }
    }
    return cookieValue;
}
function tf_CookieValueArray(name)
{
    var val = tf_ReadCookie(name); //reads the cookie
    var arr = val.split(','); //creates an array with filters' values
    return arr;
}
function tf_CookieValueByIndex(name, index)
{
    var val = tf_CookieValueArray(name); //reads the cookie
    return val[index];
}
function tf_RemoveCookie(name)
{
    tf_WriteCookie(name,'',-1);
}
/* --- */
/*====================================================
    - Backward compatibility fns
=====================================================*/
function grabEBI(id){ return tf_Id( id ); }
function grabTag(obj,tagname){ return tf_Tag(obj,tagname); }
function tf_GetCellText(n){ return tf_GetNodeText(n); }
function tf_isObject(varname){ return tf_isObj(varname); }
/* --- */
