<HTML>
<HEAD>
<SCRIPT>
function closeIt()
{
event.returnValue = "Any string value here forces a dialog box to \
appear before closing the window.";
}
</SCRIPT>
</HEAD>
<BODY onbeforeunload="closeIt()">
<a href="http://www.microsoft.com">Click here to navigate to
www.microsoft.com</a>
</BODY>
</HTML>
to sice zabrani zatvoreniu okna, ale stale to dava upozornenia aj na linkoch...
