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实用的小代码4--点击图片才能看到连接
作者:不详  文章来源:不详  点击数  更新时间:2006/2/4 15:51:27  文章录入:ahui  责任编辑:ahui

实用的小代码4--点击图片才能看到连接

说明:
第一步:把如下代码加入<head>区域中
<SCRIPT language="JavaScript">
<!--
function MM_showHideLayers() { //v2.0
  var i, visStr, args, theObj;
  args = MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) { //with arg triples (objNS,objIE,visStr)
    visStr   = args[i+2];
    if (navigator.appName == 'Netscape' && document.layers != null) {
      theObj = eval(args[i]);
      if (theObj) theObj.visibility = visStr;
    } else if (document.all != null) { //IE
      if (visStr == 'show') visStr = 'visible'; //convert vals
      if (visStr == 'hide') visStr = 'hidden';
      theObj = eval(args[i+1]);
      if (theObj) theObj.style.visibility = visStr;
  } }
}

function MM_preloadImages() { //v2.0
  if (document.images) {
    var imgFiles = MM_preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}
//-->

</SCRIPT>

第二步:在<body>区中加入如下代码
<div id="Layer1" style="position:absolute; left:240px; top:175px; width:306px; height:63px; z-index:1; visibility: hidden"><a href="http://www.codefans.com/logo/slogo.gif"><font color=red size="2" >欢迎进入!</font></a></font></div>
<div id="Layer2" style="position:absolute; left:280px; top:237px; width:147px; height:82px; z-index:2; visibility: visible">
  <p align="center"><a href="http://www.codefans.com" target="_blank">
    <img SRC="tb3.jpg" border="0" onMouseDown="MM_showHideLayers('document.layers[\'Layer1\']','document.all[\'Layer1\']','show')"></a></font><br>
  </p>
</div>


第三步:把<body>区中内容改为:
<body bgcolor="#fef4d9" onLoad="MM_preloadImages()">

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