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	<title>Just is here--恰恰在这里 &#187; ie6</title>
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		<title>IE6.0及以下版本PNG透明图片不透明解决方案</title>
		<link>http://ishere.cn/2008/11/30/ie60%e5%8f%8a%e4%bb%a5%e4%b8%8b%e7%89%88%e6%9c%acpng%e9%80%8f%e6%98%8e%e5%9b%be%e7%89%87%e4%b8%8d%e9%80%8f%e6%98%8e%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88.html</link>
		<comments>http://ishere.cn/2008/11/30/ie60%e5%8f%8a%e4%bb%a5%e4%b8%8b%e7%89%88%e6%9c%acpng%e9%80%8f%e6%98%8e%e5%9b%be%e7%89%87%e4%b8%8d%e9%80%8f%e6%98%8e%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88.html#comments</comments>
		<pubDate>Sun, 30 Nov 2008 09:34:31 +0000</pubDate>
		<dc:creator>jena</dc:creator>
				<category><![CDATA[javascript]]></category>
		<category><![CDATA[ie6]]></category>
		<category><![CDATA[js]]></category>
		<category><![CDATA[png]]></category>

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		<description><![CDATA[/* Correctly handle PNG transparency in Win IE 5.5 &#38; 6. Copyright 2007 Ignia, LLC Based in part on code from from http://homepage.ntlworld.com/bobosola. Edit: Jena.want Date: 2008.11.30 Web: www.AOBODO.com &#124; www.IsHere.cn Use in with DEFER keyword wrapped in conditional comments: &#8230; <a href="http://ishere.cn/2008/11/30/ie60%e5%8f%8a%e4%bb%a5%e4%b8%8b%e7%89%88%e6%9c%acpng%e9%80%8f%e6%98%8e%e5%9b%be%e7%89%87%e4%b8%8d%e9%80%8f%e6%98%8e%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88.html">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><coolcode lang="javascript" linenum="on"><br />
/*<br />
Correctly handle PNG transparency in Win IE 5.5 &amp; 6.<br />
Copyright 2007 Ignia, LLC<br />
Based in part on code from from http://homepage.ntlworld.com/bobosola.<br />
Edit: Jena.want<br />
Date: 2008.11.30<br />
Web: www.AOBODO.com | www.IsHere.cn</p>
<p>Use in  with DEFER keyword wrapped in conditional comments:<br />
<!--[if lt IE 7]><br />
<mce:script defer type="text/javascript" src="pngfix.js" mce_src="pngfix.js"></mce:script><br />
<![endif]--><br />
*/</p>
<p>(function fixPng() {<br />
var arVersion = navigator.appVersion.split(“MSIE”)<br />
var version = parseFloat(arVersion[1])</p>
<p>if ((version &gt;= 5.5 &amp;&amp; version &lt; 7.0) &amp;&amp; (document.body.filters)) {<br />
for(var i=0; i<br />
var img = document.images[i];<br />
var imgName = img.src.toUpperCase();<br />
if (imgName.indexOf(“.PNG”) &gt; 0) {<br />
var width = img.width;<br />
var height = img.height;<br />
var sizingMethod = (img.className.toLowerCase().indexOf(“scale”) &gt;= 0)? “scale” : “image”;<br />
img.runtimeStyle.filter = “progid:DXImageTransform.Microsoft.AlphaImageLoader(src=&#8217;” + img.src.replace(&#8216;%23&#8242;, &#8216;%2523&#8242;).replace(“&#8216;”, “%27&#8243;) + “&#8216;, sizingMethod=&#8217;” + sizingMethod + “&#8216;)”;<br />
img.src = “images/blank.gif”;<br />
img.width = width;<br />
img.height = height;<br />
}<br />
}<br />
}<br />
})();</coolcode></p>
<p>这是打好包的文件，需要的朋友可以下载试试。<a href="http://www.ishere.cn/wp-content/uploads/2008/11/msiepng.rar">msiepng</a></p>
<p>另外，如果PNG图片做背景的话，在IE6下也会出现不透明情况，以上脚本只解决了页面中的PNG图片透明，如果是CSS样式中使用了透明的PNG图片，则可以使用以下方案解决透明问题，利用了只有 IE6 才识别的下划线（_），来定义 IE6 浏览器中的滤镜：<br />
<coolcode lang="css" linenum="on"><br />
#png {<br />
background: url(绝对路径/images/bg.png) repeat;<br />
_filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=&#8217;true&#8217;, sizingMethod=&#8217;scale&#8217;, src=”绝对路径/images/bg.png”);<br />
_background:none;<br />
}<br />
</coolcode></p>
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