function pngfix(){
//Allows IE6 to render transparent png
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")
      {
         //Workaround to skip github icons
         if(img.src.indexOf('gravatar.com')!==-1)continue;
         var imgID = (img.id) ? "id='" + img.id + "' " : ""
         var imgClass = (img.className) ? "class='" + img.className + " ieimg' " : "class='ieimg' "
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
         var imgStyle = "display:inline-block;" + img.style.cssText 
         var imgWidth = img.width;
         var imgHeight = img.height;
         //Workaround for hidden img to prevent 0px width and height
         if(img.src.indexOf('/img/clients/')!==-1){imgWidth='72';imgHeight='72';}
         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:" + imgWidth + "px; height:" + imgHeight + "px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
         img.outerHTML = strNewHTML
         i = i-1
      }
   }
}
}

//Let other scripts know browser is IE6-7
legacyIE=true;

//Render all transparent pngs
window.onload=pngfix;