need help in dyanmically adding drop down box

[pankaj semwal]

Hi,

I have the below code which adding the row dynamically.I want to know how to add the java script on the on change event of drop down box which are adding dynamically.

Please help me.

Thanks

function addRow() {
	var tbl = document.getElementById("mySampleTable");
	var lastRow = tbl.rows.length;
	var iteration = lastRow;
	var row = tbl.insertRow(lastRow);
	var cellLeft = row.insertCell(0);
	var textNode = document.createTextNode(iteration);
	cellLeft.appendChild(textNode);
	
	var cellRight = row.insertCell(1);
	var el = document.createElement("input");
	el.type = "text";
	el.name = "timesheet.startWorkingtime"	 
	cellRight.appendChild(el);
	
	var cellRight1 = row.insertCell(2);
	var e2 = document.createElement("input");
	e2.type = "text"; 
	e2.name = "timesheet.endWorkingtime"
	cellRight1.appendChild(e2);
	
	var cellRight2 = row.insertCell(3);
	var e3 = document.createElement("input");
	var e33=document.createElement("input");
	var eBrtag=document.createElement("br");
	e3.type = "radio";
	e3.value="Yes";
	e3.name = "timesheet.billType";	 
	e33.type = "radio";
	e33.value="No";
	e33.name = "timesheet.billType";
	cellRight2.appendChild(e3);
	cellRight2.appendChild(eBrtag);
	cellRight2.appendChild(e33);
	
	var cellRight3 = row.insertCell(4);
	var e4 = document.createElement("select");
	var option = document.createElement("option"); 
	e4.name="timesheet.projectName";	
	option.text="<s:property value=%{timesheet.allocatedProject} />";
	option.value="<s:property value=%{timesheet.allocatedProject} />";
	e4.add(option, null);
	cellRight3.appendChild(e4);
	
	
	var cellRightSel2 = row.insertCell(5);
	var cellRight4 = document.createElement("select");
	cellRight4.name = "timesheet.activity" ;
	cellRight4.options[0] = new Option("Analysis", "Analysis");
	cellRight4.options[1] = new Option("Desgining", "Desgining");
	cellRight4.options[2] = new Option("Coding", "Coding");
	cellRight4.options[3] = new Option("Testing", "Testing");
	cellRightSel2.appendChild(cellRight4);
	
	var cellRighttextArea = row.insertCell(6)
	var textAreas=document.createElement("textarea");
    textAreas.name="timesheet.empComments";
	cellRighttextArea.appendChild(textAreas);