<HTML>
<BODY><input name="fee1" onclick=test()>
<SCRIPT LANGUAGE="JavaScript">
function test(){
document.body.style.overflow ='hidden';
alert (document.body.style.overflow );
}
</SCRIPT>
</BODY>
</HTML>
<BODY><input name="fee1" onclick=test()>
<SCRIPT LANGUAGE="JavaScript">
function test(){
document.body.style.overflow ='hidden';
alert (document.body.style.overflow );
}
</SCRIPT>
</BODY>
</HTML>
var h1=document.body.clientHeight;
if(h>h1)
alert("有滚动条");