function correctpng() // correctly handle png transparency in win ie 5.5 & 6. 
{ 
    var arversion = navigator.appversion.split("msie") 
    var version = parsefloat(arversion[1]) 
    if ((version >= 5.5) && (document.body.filters)) 
    { 
       for(var j=0; j<document.images.length; j++) 
       { 
          var img = document.images[j] 
          var imgname = img.src.touppercase() 
          if (imgname.substring(imgname.length-3, imgname.length) == "png") 
          { 
             var imgid = (img.id) ? "id='" + img.id + "' " : "" 
             var imgclass = (img.classname) ? "class='" + img.classname + "' " : "" 
             var imgtitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " 
             var imgstyle = "display:inline-block;" + img.style.csstext 
             if (img.align == "left") imgstyle = "float:left;" + imgstyle 
             if (img.align == "right") imgstyle = "float:right;" + imgstyle 
             if (img.parentelement.href) imgstyle = "cursor:hand;" + imgstyle 
             var strnewhtml = "<span " + imgid + imgclass + imgtitle 
             + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgstyle + ";" 
             + "filter:progid:dximagetransform.microsoft.alphaimageloader" 
             + "(src=\'" + img.src + "\', sizingmethod='scale');\"></span>" 
             img.outerhtml = strnewhtml 
             j = j-1 
          } 
       } 
    }     
} 
window.attachevent("onload", correctpng);