/*
 * Code specific to the training KC. For example, to switch subtabs
 */

/*
 * vars last_kctab and last_kcdiv_name are set on the custom head tags field
 */
      function kc_toggle_sub_tab(box,tab,sub_tab) {
		if(!sub_tab) { //If the optional argument is not there
	  		var div_name = box+tab;
		} else {
	  		var div_name = box+tab+"-"+sub_tab;
		}
        var tab_num = box+tab;
/*		alert("div_name: "+div_name);
		alert("tab_num: "+tab_num);
		alert("last_kctab: "+last_kctab);
		alert("last_kcdiv_name: "+last_kcdiv_name);
*/		
		
        if (tab_num != last_kctab) {
          document.getElementById(last_kctab+"li").className = "";
          document.getElementById(tab_num+"li").className = "current";
		}
		if (div_name != last_kcdiv_name) {
	          	document.getElementById(last_kcdiv_name).style.display = "none";
          document.getElementById(div_name).style.display = "block";
        }
	            last_kctab = tab_num;
		  last_kcdiv_name = div_name;

      }

//<!-- Anita:  Added jquery plugin for column sorting Aug 26th -->
// Dana: Moved to this file 11/2/2010
			(function($) {
			/*
			 * Function: fnGetColumnData
			 * Purpose:  Return an array of table values from a particular column.
			 * Returns:  array string: 1d data array 
			 * Inputs:   object:oSettings - dataTable settings object. This is always the last argument past to the function
			 *           int:iColumn - the id of the column to extract the data from
			 *           bool:bUnique - optional - if set to false duplicated values are not filtered out
			 *           bool:bFiltered - optional - if set to false all the table data is used (not only the filtered)
			 *           bool:bIgnoreEmpty - optional - if set to false empty values are not filtered from the result array
			 * Author:   Benedikt Forchhammer <b.forchhammer /AT\ mind2.de>
			 */
			$.fn.dataTableExt.oApi.fnGetColumnData = function ( oSettings, iColumn, bUnique, bFiltered, bIgnoreEmpty ) {
				// check that we have a column id
				if ( typeof iColumn == "undefined" ) return new Array();
				
				// by default we only wany unique data
				if ( typeof bUnique == "undefined" ) bUnique = true;
				
				// by default we do want to only look at filtered data
				if ( typeof bFiltered == "undefined" ) bFiltered = true;
				
				// by default we do not wany to include empty values
				if ( typeof bIgnoreEmpty == "undefined" ) bIgnoreEmpty = true;
				
				// list of rows which we're going to loop through
				var aiRows;
				
				// use only filtered rows
				if (bFiltered == true) aiRows = oSettings.aiDisplay; 
				// use all rows
				else aiRows = oSettings.aiDisplayMaster; // all row numbers
			
				// set up data array	
				var asResultData = new Array();
				
				for (var i=0,c=aiRows.length; i<c; i++) {
					iRow = aiRows[i];
					var aData = this.fnGetData(iRow);
					var sValue = aData[iColumn];
					
					// ignore empty values?
					if (bIgnoreEmpty == true && sValue.length == 0) continue;
			
					// ignore unique values?
					else if (bUnique == true && jQuery.inArray(sValue, asResultData) > -1) continue;
					
					// else push the value onto the result data array
					else asResultData.push(sValue);
				}
				
				return asResultData;
			}}(jQuery));