var supported = !/Gecko/.test(navigator.userAgent) && !/Opera/.test(navigator.userAgent) && /MSIE (5\.5)|[6]/.test(navigator.userAgent) &&  navigator.platform == "Win32";
function OnLoadPngFix() {
  if(!supported) return;
  if( !event.srcElement ) return;
  var src = event.srcElement.src;
  if( !src ) return;
  if(! new RegExp(blankSrc).test(src)) {
    // get src
    // test for png
    if(/\.png$/.test(src.toLowerCase())) {
      // set blank image
      event.srcElement.src = blankSrc;
      // set filter
      event.srcElement.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
    } else { event.srcElement.runtimeStyle.filter = "";}
}}