title: navigator.notification.alert() is not working in cordova-2.0.0.js?
body: <p>I am new to phonegap.In my application i want display alerts.For that i have used following code,</p>
  
  <pre><code>navigator.notification.alert("PhoneGap is working");
  </code></pre>
  
  <p>But it is not working.My total html code is,</p>
  
  <pre><code>    &lt;html&gt;
    &lt;head&gt; 
    &lt;script type="text/javascript" charset="utf-8" src="js/cordova-2.0.0.js"&gt;&lt;/script&gt;
      &lt;script&gt;   
  
         function inti()
      {
       alert("inti");
       document.addEventListener("deviceready", onDeviceReady, true);
  
      }
       function onDeviceReady() {
            alert("on device ready!!!!");
       navigator.notification.alert("PhoneGap is working");
      } 
      &lt;/script&gt;
    &lt;/head&gt;
    &lt;body onload="inti()"&gt;
      &lt;p id="demo"&gt;System date&lt;/p&gt;
      &lt;input type="button" onclick="noti()" value="Date" /&gt;
    &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>i got <code>Cannot call method 'alert' of undefined i got this error</code> .can any one guide me to over come this issues. Thanks in Advance .....</p>