pngfix.js

   1 // stolen from http://homepage.ntlworld.com/bobosola/pngtestfixed.htm
   2
   3 function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
   4    {
   5    for(var i=0; i<document.images.length; i++)
   6       {
   7           var img = document.images[i]
   8           var imgName = img.src.toUpperCase()
   9           if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
  10              {
  11                  var imgID = (img.id) ? "id='" + img.id + "' " : ""
  12                  var imgClass = (img.className) ? "class='" + img.className + "' " : ""
  13                  var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
  14                  var imgStyle = "display:inline-block;" + img.style.cssText
  15                  if (img.align == "left") imgStyle = "float:left;" + imgStyle
  16                  if (img.align == "right") imgStyle = "float:right;" + imgStyle
  17                  if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
  18                  var strNewHTML = "<span " + imgID + imgClass + imgTitle
  19                  + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
  20              + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
  21                  + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
  22                  img.outerHTML = strNewHTML
  23                  i = i-1
  24              }
  25       }
  26    }
  27 window.attachEvent("onload", correctPNG);