add com..

component/js/guid.js

@@ -0,0 +1,16 @@
+/**
+ * Inspired from the book of JavaScript Patterns, Stoyan Stefanov.
+ * You can add some special value in this guid, such as user's email or nickname or id.
+ * @module guid for JavaScript client
+ */
+(function(exports){
+	exports.guid = {
+		'create': function(){
+			return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+				var r = Math.random() * 16 | 0,
+					v = c == 'x' ? r : (r & 0x3 | 0x8);
+				return v.toString(16);
+			}).toUpperCase();
+		}
+	};
+})(window);