window.createPopup()具有和绝对定位div类似的效果
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script>
function aa(){
var a=window.createPopup();
var p=a.document.body;
p.style.backgroundColor="#ffff99";
p.style.border="solid black 1px";
p.innerHTML="123";
a.show(50,50,50,50,document.body);
}
</script>
</HEAD>
<BODY>
<input type="button" value="11" onclick="aa();"/>
</BODY>
</HTML>