<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>Test for Bug 766282</title> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script> </head> <script type="application/javascript"> function doTest() { sendMouseEvent({type:'click'}, 'anchor'); window.parent.opener.parent.postMessage({type: "attempted"}, "*"); } </script> <body onload="doTest()"> I am sandboxed with 'allow-scripts allow-popups' <a href="file_iframe_sandbox_window_top_navigation_fail.html" target='_top' id='anchor'> </body> </html>