//check the frist 4 letters of subscriber's last name from the login page
//implemented pop-up message option and this pop up message should only apply
//to the rever subs who missed to plug in the first 4 letters of their last name
function CheckName()
{
	if(document.forms[0].HAVE_RDRNUM[0].checked == true && document.forms[0].LNAME_FIRST4.value == "")
	{
		alert("Please enter first 4 letters of your last name.");
       		document.forms[0].LNAME_FIRST4.focus();
		return false;
	}
	return true;
}