页面中浮动的广告

  • 来源: WEB网 作者: 戴九军   2011-04-25/16:28
  • <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title>无标题文档</title>
    </head>

    <body>
    漂浮广告,您可以将广告换为图片或者文字链接等内容。
    <DIV id=img1 style="Z-INDEX: 100; LEFT: 2px; WIDTH: 59px; POSITION: absolute; TOP: 43px; HEIGHT: 61px;
     visibility: visible;">
    <a href="http://www.qudong.com"><img src="" border=0></a>
    </DIV>
    <script language="javascript">
    <!--
    var xPos = 300;
    var yPos = 200;
    var step = 1;
    var delay = 30;
    var height = 0;
    var Hoffset = 0;
    var Woffset = 0;
    var yon = 0;
    var xon = 0;
    var pause = true;
    var interval;
    img1.style.top = yPos;
    function changePos()
    {
     width = document.body.clientWidth;
     height = document.body.clientHeight;
     Hoffset = img1.offsetHeight;
     Woffset = img1.offsetWidth;
     img1.style.left = xPos + document.body.scrollLeft;
     img1.style.top = yPos + document.body.scrollTop;
     if (yon)
      {yPos = yPos + step;}
     else
      {yPos = yPos - step;}
     if (yPos < 0)
      {yon = 1;yPos = 0;}
     if (yPos >= (height - Hoffset))
      {yon = 0;yPos = (height - Hoffset);}
     if (xon)
      {xPos = xPos + step;}
     else
      {xPos = xPos - step;}
     if (xPos < 0)
      {xon = 1;xPos = 0;}
     if (xPos >= (width - Woffset))
      {xon = 0;xPos = (width - Woffset);   }
     }
     
     function start()
      {
       img1.visibility = "visible";
      interval = setInterval('changePos()', delay);
     }
     function pause_resume()
     {
      if(pause)
      {
       clearInterval(interval);
       pause = false;}
      else
      {
       interval = setInterval('changePos()',delay);
       pause = true;
       }
      }
     start();
    -->
    </script>
    </body>
    </html>


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