function fixPNG(element){
  if(/MSIE (5\.5|6).+Win/.test(navigator.userAgent)){
    var src;
    if (element.tagName=='IMG'){
      if (/\.png$/.test(element.src)){
        src = element.src;
        element.src = "/.files/1/images/blank.gif";
      }
    }else{
      src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i);
      if(src){
        src = src[1];
        element.runtimeStyle.backgroundImage="none";
      }
    }
    if(src){
      element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='image')";
    }
  }
}