基本信息
源码名称：IE6图片透明脚本
源码大小：1.54KB
文件格式：.js
开发语言：js
更新时间：2015-03-26
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   源码介绍
IE6图片透明脚本

/*
 
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->

*/

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

if ((version >= 5.5) && (document.body.filters)) 
{
   for(var i=0; i<document.images.length; i  )
   {
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
         var imgID = (img.id) ? "id='"   img.id   "' " : ""
         var imgClass = (img.className) ? "class='"   img.className   "' " : ""
         var imgTitle = (img.title) ? "title='"   img.title   "' " : "title='"   img.alt   "' "
         var imgStyle = "display:inline-block;"   img.style.cssText 
         if (img.align == "left") imgStyle = "float:left;"   imgStyle
         if (img.align == "right") imgStyle = "float:right;"   imgStyle
         if (img.parentElement.href) imgStyle = "cursor:hand;"   imgStyle
         var strNewHTML = "<span "   imgID   imgClass   imgTitle
           " style=\""   "width:"   img.width   "px; height:"   img.height   "px;"   imgStyle   ";"
           "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
           "(src=\'"   img.src   "\', sizingMethod='scale');\"></span>" 
         img.outerHTML = strNewHTML
         i = i-1
      }
   }
}