IE6下PNG背景透明JS代码,经试验,测试OK,代码放在HEAD上面
?<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-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);
</script>
