<script> 
function close1(){     
        closes.Click();                  //ie4 

function close2(){ 
        window.opener=null;       //ie5.5 用这个..
        window.close(); 

</script> 
<input type="button" value="关闭" onclick="close1()"> 
<input type="button" value="关闭" onclick="close2()"> 
<object id="closes" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11"> 
<param name="Command" value="Close"> 
</object>