diff --git a/lib/chrome.js b/lib/chrome.js
index d6db801..334d18a 100644
--- a/lib/chrome.js
+++ b/lib/chrome.js
@@ -12,6 +12,8 @@ var AutoItX = require("lib/autoitx");
 var pageEventId = 0;
 
 var ChromeObject = function() {
+    STD.EventableObject.apply(this, arguments);  // set this object to `eventable`
+    
     this.workingDirectory = SYS.getEnvString("PROGRAMFILES") + "\\Google\\Chrome\\Application";
     this.binPath = SYS.getEnvString("PROGRAMFILES") + "\\Google\\:installedDir\\Application\\chrome.exe";
     //this.processID = 0;
@@ -472,6 +474,9 @@ var ChromeObject = function() {
             }
         }
 
+		// calling `onfocus` event
+		this.dispatchEvent(new STD.Event("focus"));
+
         return title;
     };
 
@@ -1048,6 +1053,8 @@ var ChromeObject = function() {
 
     this.create();
 };
+ChromeObject.prototype = new STD.EventableObject();
+ChromeObject.prototype.constructor = ChromeObject;
 
 exports.create = function(profileName) {
     return (new ChromeObject()).setProfile(profileName, null);