ถามเรื่องการสร้าง DropDownList ที่สามารถเพิ่มแถว Rows ได้ค่ะ

		//**** List (Start) ***//
		function ListList(SelectValue)
		{
			frmMain.ddlList.length = 0
			
			//*** Insert null Default Value ***//
			var myOption = new Option('','')  
			frmMain.ddlList.options[frmMain.ddlList.length]= myOption
			
			<?
			$intRows = 0;
			$strSQL = "SELECT * FROM List_RE ORDER BY LIST_ID ASC ";
			$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
			$intRows = 0;
			while($objResult = mysql_fetch_array($objQuery))
			{
			$intRows++;
			?>			
				x = <?=$intRows;?>;
				mySubList = new Array();
				
				strGroup = <?=$objResult["ID_TYPE"];?>;
				strValue = "<?=$objResult["LIST_ID"];?>";
				strItem = "<?=$objResult["LIST_NAME"];?>";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlList.options[frmMain.ddlList.length]= myOption					
				}
			<?
			}
			?>																	
		}
		//**** List (End) ***//

function CreateNewRow()
	{
		var intLine = parseInt(document.frmMain.hdnMaxLine.value);
		intLine++;
			
		var theTable = document.getElementById("tbExp");
		var newRow = theTable.insertRow(theTable.rows.length)
		newRow.id = newRow.uniqueID

		var newCell
		
		//*** Column 1 ***//
		newCell = newRow.insertCell(0);
		newCell.id = newCell.uniqueID;
		newCell.setAttribute("className", "css-name");
		newCell.innerHTML ="<center><SELECT NAME=\"ddlGeo"+intLine+"\" ID=\"ddlGeo"+intLine+"\"onChange = \"ListList(this.value)"+intLine+"\"></SELECT></center>";		CreateSelectOptiontype("ddlGeo"+intLine)

		//*** Column 2 ***//
		newCell = newRow.insertCell(1);
		newCell.id = newCell.uniqueID;
		newCell.setAttribute("className", "css-name");
		newCell.innerHTML = "<center><SELECT NAME=\"ddlList"+intLine+"\" ID=\"ddlList"+intLine+"\"onChange = \"wagePrice(this.value)"+intLine+"\"></SELECT></center>";
		CreateSelectOptionList("ddlList"+intLine)