var i=3;
var j=3;
var index=10;
var indexj=10;
function appendRow(tblId)
{
	var tbl = document.getElementById(tblId);
	var newRow = tbl.insertRow(tbl.rows.length);
	var newCell = newRow.insertCell(0);
	newCell.innerHTML = 'Hello World!';
}
function deleteLastRow(tblId)
{
	var tbl = document.getElementById(tblId);
	if (tbl.rows.length > 0) tbl.deleteRow(tbl.rows.length - 1);
}
function insertRow(tblId,rowIndex)
{

//alert("hi");
	var tbl = document.getElementById(tblId);
//	var rowIndex = document.getElementById(txtIndex).value;
	try {
		var newRow = tbl.insertRow(index);
		var newCell = newRow.insertCell(0);
		var newCell1 = newRow.insertCell(1);	
			
		newCell.innerHTML = '<font face=\"Verdana\" size=\"2px\">Email '+i+'&nbsp;&nbsp;&nbsp;</font>';	
		newCell.align="right";
		newCell.bgColor="#e4e4c9";
			
		newCell1.bgColor="#f8f8ef";
		newCell1.innerHTML = '<input id=\"txtemail' + i +'\" type=\"text\" style=\"WIDTH: 155px\" runat=\"server\">';
				
		var hid = document.getElementById('hid1');
		hid.value=i;
		alert(hid.value);
		i=i+1;
		
		
		if(i>20){
			alert('U can tell only 20 of ur friends!!');
			var btn= document.getElementById('btnaddemail');
		    btn.disabled = 'true';
		    
		}
		alert("1=="+hid.value);
	} catch (ex) {
	//	document.getElementById(txtError).value = ex;
	}
	index=index+1;
}
function deleteRow(tblId, rowIndex)
{
	var tbl = document.getElementById(tblId);
	try {
		tbl.deleteRow(rowIndex);
		j=j+1;
		if(j>20){
			alert('all mails deleted!!');
			var btn= document.getElementById('btnaddemail');
			btn.style.display = 'block';
			var btn2= document.getElementById('btnRem');
				btn2.style.display = 'none';
		
			
		}
	} catch (ex) {
	//	document.getElementById(txtError).value = ex;
	}

}