学步园

<script language="javascript" type="text/javascript">
function closeWindow() 
{ 
var ua=navigator.userAgent 
var ie=navigator.appName=="Microsoft Internet Explorer"?true:false 
if(ie) 
{ 
   var IEversion=parseFloat(ua.substring(ua.indexOf("MSIE ")+5,ua.indexOf(";",ua.indexOf("MSIE ")))) 
   if(IEversion< 5.5) 
   { 
   var str = '<object id=noTipClose classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">' 
     str += '<param name="Command" value="Close"></object>'; 
     document.body.insertAdjacentHTML("beforeEnd", str); 
     document.all.noTipClose.Click(); 
   } 
    else 
   { 
     parent.window.opener =null;
     parent.window.open('','_self','');//for IE7
     parent.window.close(); 
   } 
} 
else 
{ 
parent.window.close() 
} 
}
</script>


<input type="button" value="Close the Window" onclick="closeWindow()" />