this.data.push(o);						//	add it to the selections if selected="true" is present.			if(dojo.html.getAttribute(rows[i],"selected")=="true"){				this.selected.push(o);			}		}	},		showSelections:function(){		var body=this.domNode.getElementsByTagName("tbody")[0];		var rows=body.getElementsByTagName("tr");		var idx=0;		for(var i=0; i<rows.length; i++){			if(rows[i].parentNode==body){				if(dojo.html.getAttribute(rows[i],"selected")=="true"){					rows[i].className=this.rowSelectedClass;				} else {					if(this.enableAlternateRows&&idx%2==1){						rows[i].className=this.rowAlternateClass;					}else{						rows[i].className="";					}				}				idx++;			}		}	},	render:function(bDontPreserve){		//	summary		//	renders the table to the browser		var data=[];		var body=this.domNode.getElementsByTagName("tbody")[0];		if(!bDontPreserve){			//	rebuild data and selection			this.parseDataFromTable(body);		}		//	clone this.data for sorting purposes.		for(var i=0; i<this.data.length; i++){			data.push(this.data[i]);		}				var col=this.columns[this.sortIndex];		if(!col.noSort){			var field=col.getField();			if(col.sortFunction){				var sort=col.sortFunction;			}else{				var sort=function(a,b){					if (a[field]>b[field]) return 1;					if (a[field]<b[field]) return -1;					return 0;				}			}			data.sort(sort);			if(this.sortDirection!=0) data.reverse();		}		//	build the table and pop it in.		while(body.childNodes.length>0) body.removeChild(body.childNodes[0]);		for(var i=0; i<data.length;i++){			var row=document.createElement("tr");			dojo.html.disableSelection(row);			if (data[i][this.valueField]){				row.setAttribute("value",data[i][this.valueField]);			}			if(this.isSelected(data[i])){				row.className=this.rowSelectedClass;				row.setAttribute("selected","true");			} else {				if(this.enableAlternateRows&&i%2==1){					row.className=this.rowAlternateClass;				}			}			for(var j=0;j<this.columns.length;j++){				var cell=document.createElement("td");				cell.setAttribute("align", this.columns[j].align);				cell.setAttribute("valign", this.columns[j].valign);				dojo.html.disableSelection(cell);				if(this.sortIndex==j){					cell.className=this.columnSelected;				}				if(this.columns[j].sortType=="__markup__"){					cell.innerHTML=data[i][this.columns[j].getField()];					for(var k=0; k<cell.childNodes.length; k++){						var node=cell.childNodes[k];						if(node&&node.nodeType==dojo.html.ELEMENT_NODE){							dojo.html.disableSelection(node);						}					}				}else{					if(this.columns[j].getType()==Date){						var format=this.defaultDateFormat;						if(this.columns[j].format) format=this.columns[j].format;						cell.appendChild(document.createTextNode(dojo.date.format(data[i][this.columns[j].getField()], format)));					}else{						cell.appendChild(document.createTextNode(data[i][this.columns[j].getField()]));					}				}				row.appendChild(cell);			}			body.appendChild(row);			dojo.event.connect(row, "onclick", this, "onUISelect");		}				//	if minRows exist.		var minRows=parseInt(this.minRows);		if (!isNaN(minRows) && minRows>0 && data.length<minRows){			var mod=0;			if(data.length%2==0) mod=1;			var nRows=minRows-data.length;			for(var i=0; i<nRows; i++){				var row=document.createElement("tr");				row.setAttribute("ignoreIfParsed","true");				if(this.enableAlternateRows&&i%2==mod){					row.className=this.rowAlternateClass;				}				for(var j=0;j<this.columns.length;j++){					var cell=document.createElement("td");					cell.appendChild(document.createTextNode("\u00A0"));					row.appendChild(cell);				}				body.appendChild(row);			}		}	},	//	the following the user can override.	onSelect:function(/* DomEvent */ e){ 		//	summary		//	empty function for the user to attach code to, fired by onUISelect	},	onUISelect:function(/* DomEvent */ e){		//	summary		//	fired when a user selects a row		var row=dojo.html.getParentByType(e.target,"tr");		var body=dojo.html.getParentByType(row,"tbody");		if(this.enableMultipleSelect){			if(e.metaKey||e.ctrlKey){				if(this.isSelected(this.getObjectFromRow(row))){					this.removeFromSelected(this.getObjectFromRow(row));					row.removeAttribute("selected");				}else{					//	push onto the selection stack.					this.setSelectionByRow(row);					row.setAttribute("selected","true");				}			}else if(e.shiftKey){				//	the tricky one.  We need to figure out the *last* selected row above, 				//	and select all the rows in between.				var startRow;				var rows=body.getElementsByTagName("tr");				//	if there's a selection above, we go with that first. 				for(var i=0;i<rows.length;i++){					if(rows[i].parentNode==body){						if(rows[i]==row) break;						if(dojo.html.getAttribute(rows[i],"selected")=="true"){							startRow=rows[i];						}					}				}				//	if there isn't a selection above, we continue with a selection below.				if(!startRow){					startRow=row;					for(;i<rows.length;i++){						if(dojo.html.getAttribute(rows[i],"selected")=="true"){							row=rows[i];							break;						}					}				}				this.resetSelections(body);				if(startRow==row){					//	this is the only selection					row.setAttribute("selected","true");					this.setSelectionByRow(row);				}else{					var doSelect=false;					for(var i=0; i<rows.length; i++){						if(rows[i].parentNode==body){							rows[i].removeAttribute("selected");							if(rows[i]==startRow){								doSelect=true;							}							if(doSelect){								this.setSelectionByRow(rows[i]);								rows[i].setAttribute("selected","true");							}							if(rows[i]==row){								doSelect=false;							}						}					}				}			}else{				//	reset the selection				this.resetSelections(body);				row.setAttribute("selected","true");				this.setSelectionByRow(row);			}		}else{			//	reset the data selection and go.			this.resetSelections(body);			row.setAttribute("selected","true");			this.setSelectionByRow(row);		}		this.showSelections();		this.onSelect(e);		e.stopPropagation();		e.preventDefault();	},	onHeaderClick:function(/* DomEvent */ e){		//	summary		//	Main handler function for each header column click.		var oldIndex=this.sortIndex;		var oldDirection=this.sortDirection;		var source=e.target;		var row=dojo.html.getParentByType(source,"tr");		var cellTag="td";		if(row.getElementsByTagName(cellTag).length==0) cellTag="th";		var headers=row.getElementsByTagName(cellTag);		var header=dojo.html.getParentByType(source,cellTag);				for(var i=0; i<headers.length; i++){			if(headers[i]==header){				if(i!=oldIndex){					//	new col.					this.sortIndex=i;					this.sortDirection=0;					headers[i].className=this.headerSortDownClass				}else{					this.sortDirection=(oldDirection==0)?1:0;					if(this.sortDirection==0){						headers[i].className=this.headerSortDownClass;					}else{						headers[i].className=this.headerSortUpClass;					}				}			}else{				//	reset the header class.				headers[i].className=this.headerClass;			}		}		this.render();	},	postCreate:function(){ 		// 	summary		//	overridden from HtmlWidget, initializes and renders the widget.		var thead=this.domNode.getElementsByTagName("thead")[0];		if(this.headClass.length>0){			thead.className=this.headClass;		}		//	disable selections		dojo.html.disableSelection(this.domNode);		//	parse the columns.		this.parseColumns(thead);		//	attach header handlers.		var header="td";		if(thead.getElementsByTagName(header).length==0) header="th";		var headers=thead.getElementsByTagName(header);		for(var i=0; i<headers.length; i++){			if(!this.columns[i].noSort){				dojo.event.connect(headers[i], "onclick", this, "onHeaderClick");			}			if(this.sortIndex==i){				if(this.sortDirection==0){					headers[i].className=this.headerSortDownClass;				}else{					headers[i].className=this.headerSortUpClass;				}			}		}		//	parse the tbody element and re-render it.		var tbody=this.domNode.getElementsByTagName("tbody")[0];		if (this.tbodyClass.length>0) {			tbody.className=this.tbodyClass;		}		this.parseDataFromTable(tbody);		this.render(true);	}});