// JavaScript Document
<!--
function zipcodevalidate()
    {
     	if (checkNull(document.screenfrm.zipcode, "Please enter a 5-digit zip code." ))
			{
				return false;
			}   
		
  if (IsNumeric(deleteExtremeSpaces(document.screenfrm.zipcode), "Please enter a number for the zip code field."))
    {
	document.screenfrm.zipcode.focus();
	return false;
}


}

//End-->