这个滑动层总是在最上部，如何修改让它在文档中间显示或者离上面有一定距离？

div1.style.top = div1.offsetTop + bb+100

解决方案 »

  1.   

    net_lover(孟子E章)
    这样不幸，乱跳！
      

  2.   

    <body onload="divmove()">
    <div id=div1 style="position:absolute">dddddddd</div>
    <SCRIPT LANGUAGE="JavaScript">
    <!--function divmove()
    {
    cc=parseInt(document.body.scrollTop);
    div1.style.top = 100 + cc;
    setTimeout("divmove()",1);
    }
    //-->
    </SCRIPT>
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    </body>
      

  3.   

    <body onload="divmove()">
    <div id=div1 style="position:absolute">dddddddd</div>
    <SCRIPT LANGUAGE="JavaScript">
    <!--function divmove()
    {
    cc=parseInt(document.body.scrollTop);
    div1.style.top = document.body.offsetHeight/2 + cc;
    setTimeout("divmove()",1);
    }
    //-->
    </SCRIPT>
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    <p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok<p>ok
    </body>