var pngDouble = false;
function correctPNG() // Zmuœ IE w wersjach 5.5 i 6.0 do obsługiwania przezroczystych plików PNG.
{
   if(!pngDouble){
     pngDouble = true;
     var arVersion = navigator.appVersion.split("MSIE")
     var version = parseFloat(arVersion[1])
     if ((version >= 5.5) && (document.body.filters) && (version < 7.0))
     {
        var e=0;
        for(var i=0; i<document.images.length; i++)
        {
           e++;
           var img = document.images[i]
           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
              
              //Wstawka onclick event :: Start
              var clickStart = "";
              var imgOnclick = img.attributes["onclick"].value;
              if(imgOnclick!=null){
                clickStart = "onclick=\""+imgOnclick+"\"";
              }
              //Wstawka onclick event :: End
              
              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 + clickStart
              + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
              + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
              + "(src=\'" + img.src + "\', sizingMethod='scale');\" /></span>"
              img.outerHTML = strNewHTML
              i = i-1
           }
           if(e == document.images.length) pngDouble = false;
        }
     }      
  } 
}
//window.attachEvent("onload", correctPNG);