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);