使得ie6 png 格式图片正常显示代码

<!--使得ie6png正常显示代码开始-->

<script language="JavaScript">

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-1, 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);

</script>

<!--使得ie6png正常显示代码结束-->