// JavaScript Document
<!--
function check_form(form) { 
			var first_name = form.first_name.value;
			var last_name = form.last_name.value;
			var email = form.email.value;
			
			if(first_name=='' || last_name=='' || email=='') { 
				alert("Please provide your full name and email address. Thank you!");
				return false;
			} else {
				return true;
			}
		}
//-->