function validator()
{
	if (document.getElementById("userName").value == "")
	{
		alert("Please enter your name");
		document.getElementById("userName").focus();
		return false;
	}
	if (document.getElementById("cntNo").value == "")
	{
		alert("Please enter your Contact Number");
		document.getElementById("cntNo").focus();
		return false;
	}
	if (document.getElementById("email").value == "")
	{
		alert("Please enter your Email-Id");
		document.getElementById("email").focus();
		return false;
	}
	return true;
}