function _doPostBack()
{
if(document.newsFrm.fname.value.length==0) { alert('Enter your first name'); document.newsFrm.fname.focus(); return false; }
if(document.newsFrm.lname.value.length==0) { alert('Enter your last name'); document.newsFrm.lname.focus(); return false; }
if(document.newsFrm.email.value.length==0) { alert('Enter your email address'); document.newsFrm.email.focus(); return false; }
if(echeck(document.newsFrm.email.value)==false){ document.newsFrm.email.value=""; document.newsFrm.email.focus(); return false;	}
if(document.getElementById("otherfld").style.display=="block"){
if(document.newsFrm.other.value.length==0) { alert('Enter other field value'); document.newsFrm.other.focus(); return false; }
					}
}
// JavaScript Document
function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
		alert("Invalid email address")
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		alert("Invalid email address")
		return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid email address")
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid email address")
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid email address")
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid email address")
		return false
	}
	if (str.indexOf(" ")!=-1){
		alert("Invalid email address")
		return false
	}
	return true					
}