title: onunload not working in Chrome and safari
body: <p>I have parent page and child page. In child page body tag i have below code. </p>
  
  <pre><code>&lt;body onunload="window.g_autoclosed=true;if(window.opener&amp;&amp;window.opener.NavModelessClose){window.opener.NavModelessClose(window,false);}"&gt; 
  </code></pre>
  
  <p>when i click on button in parent page, child page should close and call the onunload event.</p>
  
  <p>The unload event is raising correctly in IE and FF. But it is not raising in chrome and safari.</p>
  
  <p>Please help me.</p>