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 = "/files/images/blank.gif"; 
	  im.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod='scale', src='" + picture + "');"; 
	  im.width = w; 
	  im.height = h; 
	  } 
   return "transparent"; 
   }