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40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
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/*
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Correctly handle PNG transparency in Win IE 5.5 & 6.
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http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.
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Use in <HEAD> with DEFER keyword wrapped in conditional comments:
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<!--[if lt IE 7]>
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<script defer type="text/javascript" src="pngfix.js"></script>
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<![endif]-->
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*/
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var arVersion = navigator.appVersion.split("MSIE")
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var version = parseFloat(arVersion[1])
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if ((version >= 5.5) && (document.body.filters))
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{
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for(var i=0; i<document.images.length; i++)
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{
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var img = document.images[i]
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var imgName = img.src.toUpperCase()
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if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
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{
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var imgID = (img.id) ? "id='" + img.id + "' " : ""
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var imgClass = (img.className) ? "class='" + img.className + "' " : ""
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var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
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var imgStyle = "display:inline-block;" + img.style.cssText
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if (img.align == "left") imgStyle = "float:left;" + imgStyle
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if (img.align == "right") imgStyle = "float:right;" + imgStyle
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if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
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var strNewHTML = "<span " + imgID + imgClass + imgTitle
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+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
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+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
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+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
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img.outerHTML = strNewHTML
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i = i-1
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}
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}
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}
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