document.observe("dom:loaded", function() {
	if ($('register-email')) {
		Event.observe($('register-email'), 'blur', function() {
			var url = "lib/ajax_router.asp";
			var parms = "action=check-user-exists&email=" + $F('register-email');
			var foo = new Ajax.Request(url, {
				method: 'get', parameters: parms, onSuccess: function(response) {
					if (response.responseText == "true") { $('userExists').show() } 
				}
			});
		});
	}
});