Skip to content
Snippets Groups Projects
pngfix.js 1.54 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     
    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
          }
       }
    }