/* png */
function transparent(im) 
   { 
   if (!im.transparented && (/\.png/.test(im.src))) 
      { 
      im.transparented = 1; 
      var picture = im.src; 
      var w = im.width; 
      var h = im.height; 
      im.src = "img/blank.gif"; 
      im.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod='scale', src='" + picture + "');"; 
      im.width = w; 
      im.height = h; 
      } 
   return "transparent"; 
   }