Fix RTM demo to show invalid icon when going from valid back to invalid

Author: jzaefferer

demo/milk/index.html

@@ -85,15 +85,18 @@
 		success: function(label) {
 			// set   as text for IE
 			label.html(" ").addClass("checked");
+		},
+		highlight: function(element, errorClass) {
+			$(element).parent().next().find("." + errorClass).removeClass("checked");
 		}
 	});
-	
+
 	// propose username by combining first- and lastname
 	$("#username").focus(function() {
 		var firstname = $("#firstname").val();
 		var lastname = $("#lastname").val();
 		if(firstname && lastname && !this.value) {
-			this.value = firstname + "." + lastname;
+			this.value = (firstname + "." + lastname).toLowerCase();
 		}
 	});
 
@@ -220,7 +223,7 @@ <h1 id="banner"><a href="http://bassistance.de/jquery-plugins/jquery-plugin-vali
 	$.get("users.phps", function(response) {
 		serverscript = $("<pre>").hide().html( response ).appendTo("body");
 	})
-	
+
 });
 </script>