function pngfix(blank)
{

  if(document.all && !window.opera && typeof(window.XMLHttpRequest) == 'undefined')
  {
    $$('img').each(function(img)
    {
      if((img.src.match(/.png$/) || img.hasClassName('png')) && !img.up('.pngfix-exclude'))
      {
        var oldsrc = img.src;
        var dim = $(img).getDimensions();
        img.src = blank;
        dim.width += 'px';
        dim.height += 'px';
        dim.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=scale, src="' + oldsrc +'");';
        img.setStyle(dim);
      }
    });
  }
} 
//Event.onDOMReady(function(){ pngfix('/globalJavascript/blank.gif');});
Event.observe(window, 'load', function(){ pngfix('/globalJavascript/blank.gif');});