document.observe("dom:loaded", function() {
		
		if ($('subscribe_form')) {
			$('subscribe_form').onsubmit = function() {
			
				var value = $F('subscribeEmail');
				
				re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
				if (
					!value 
					|| !re.test(value)
				) {
					alert('Please enter a valid email address!');
					return false;
				}
			
			}
		}

	});