div 定位至右上角 _Web前端

div 定位至右下角
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<TITLE>随滚动条移动的层 - webjx.com</TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html" charset="gb2312">
<META NAME="Author" CONTENT="flasher">
<META NAME="homepage" CONTENT="www.webjx.com">
</HEAD>
<style>
<!--
.div{
position: absolute;
border: 2px solid red;
line-height:90px;
font-size:12px;
z-index:1000;
}
-->
</style>
<BODY>
<div id="Javascript.Div5" class="div" style="width: 240px; height:120px" align="center">一直在右下，不停的随着滚动条滚动！</div>
<SCRIPT LANGUAGE="JavaScript">
function sc5(){
document.getElementById("Javascript.Div5").style.top
	=(document.documentElement.scrollTop+document.documentElement.clientHeight-document.getElementById("Javascript.Div5").offsetHeight)+"px";
document.getElementById("Javascript.Div5").style.left
	=(document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.Div5").offsetWidth)+"px";
}
</SCRIPT>


<SCRIPT LANGUAGE="JavaScript">
<!--
function scall(){
sc5();
}
window.onscroll=scall;
window.onresize=scall;
window.onload=scall;
//-->
</SCRIPT>
<div style="position: absolute; top: 0px; left: 0px; width: 940px; height: 1000px;"></div>
</BODY>
</HTML>