function validate()
 {
   var message = '';

   if (!document.contact.first.value) { message += "First Name\n"; }
   if (!document.contact.last.value) { message += "Last Name\n"; }
   if (!document.contact.email.value) { message += "E-mail Address\n"; }

   if (message.length) {
	 alert("Please complete the following required fields:\n\n"+message);
  	return false;
   }
 }

function popup(URL) {
	window.open(URL, "", 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=620,height=480,left = 150,top = 150')
}