function SubmitSignUp()
{
	var errMsg="";
	var firstName=document.forms[0].TxtFirstName.value.replace(/ /g,"");
	var lastName=document.forms[0].TxtLastName.value.replace(/ /g,"");
	var emailId=document.forms[0].TxtEmailID.value.replace(/ /g,"");
	if(firstName=="")
	{
		errMsg=errMsg+" - First Name \n";
	}
	if(lastName=="")
	{
		errMsg=errMsg+" - Last Name \n";
	}
	if(emailId=="")
	{
		errMsg=errMsg+" - Email ID \n";
	}
	else
	{
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (!filter.test(emailId))
		{				
			errMsg=errMsg+" - Invalid Email ID \n";			
		}	
	}
	if(errMsg!="")
	{
		errMsg="Please enter the following fields \n" +errMsg;
		alert(errMsg);
		return;
	}
	else
	{
		document.forms[0].action="emailer.php";
		document.forms[0].submit();
	}
}