<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD><BODY>
<DIV id="floatDiv" style="position:absolute; border:1px solid black; background-color:#CCCCCC;top:0px; left:0px; width:200px; height:100px"></DIV>
aaa<br>
aaa<br>
aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
</BODY>
<SCRIPT language="javascript">
document.body.onscroll = function()
{
    floatDiv.style.top = document.body.scrollTop;
}
</SCRIPT>
</HTML>

解决方案 »

  1.   

    <HTML>
    <HEAD>
    <META http-equiv="Content-Type" content="text/html; charset=gb2312">
    </HEAD><BODY>
    <DIV id="floatDiv" style="position:absolute; border:1px solid black; background-color:#CCCCCC;top:520px; left:0px; width:200px; height:100px"></DIV>
    aaa<br>
    aaa<br>
    aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
    aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
    aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
    aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
    aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>aaa<br>
    </BODY>
    <SCRIPT language="javascript">
    document.body.onscroll = function()
    {
        floatDiv.style.top = document.body.scrollTop+520;
    }
    </SCRIPT>
    </HTML>
      

  2.   

    同意  baisun(蟋蟀.Net) 的
    樓主可以結貼了