diff --git a/src/Events.js b/src/Events.js
index fd68d9e..04e213d 100755
--- a/src/Events.js
+++ b/src/Events.js
@@ -1,3 +1,16 @@
 var Events = {
-
-};
\ No newline at end of file
+  on: function(eventName, callback) {
+    if (!this.events) {
+      this.events = {};
+    }
+    if (!this.events[eventName]) {
+      this.events[eventName] = [];
+    }
+    this.events[eventName].push(callback);
+  },
+  trigger: function(eventName) {
+    for (var i = 0, l = this.events[eventName].length; i < l; i++) {
+      this.events[eventName][i]();
+    }
+  }
+};
diff --git a/src/Extend.js b/src/Extend.js
index 687d3ea..ff8faf1 100755
--- a/src/Extend.js
+++ b/src/Extend.js
@@ -1,2 +1,6 @@
-var extend = function() {
-};
\ No newline at end of file
+var extend = function(dest, source){
+  for (var property in source) {
+    dest[property] = source[property];
+  }
+  return dest;
+};