<HTML>
<body>
<div id=MainMenu1>
<div>Item1</div>
<div>Item2</div>
<div onMouseOver=show()>Item3</div><!--存在二级菜单项-->
<div>Item4</div>
</div>
<div id=Sub1>
<div>SubItem1</div>
<div>SubItem2</div>
</div>
<script>
window.status="状态条";function show(){
//Sub1.style.left=MainMenu1.offsetWidth+100;
alert(document.all["Sub1"].currentStyle.left);}
</script></body>
</HTML>
<body>
<div id=MainMenu1>
<div>Item1</div>
<div>Item2</div>
<div onMouseOver=show()>Item3</div><!--存在二级菜单项-->
<div>Item4</div>
</div>
<div id=Sub1>
<div>SubItem1</div>
<div>SubItem2</div>
</div>
<script>
window.status="状态条";function show(){
//Sub1.style.left=MainMenu1.offsetWidth+100;
alert(document.all["Sub1"].currentStyle.left);}
</script></body>
</HTML>
{
if(typeof(e) != "object") return false;
var t = e.offsetTop;
while(e = e.offsetParent)
t += e.offsetTop;
return(t);
}
function getObjectLeft(e)
{
if(typeof(e) != "object") return false;
var l = e.offsetLeft;
while(e = e.offsetParent)
l += e.offsetLeft;
return(l);
}<div onMouseOver="alert(getObjectLeft(this))">Item3</div>