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pngbehavior.htc
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pngbehavior.htc
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<public:component>
<public:attach event="onpropertychange" onevent="propertyChanged()" />
<public:attach event="onbeforeprint" for="window" onevent="beforePrint()" />
<public:attach event="onafterprint" for="window" onevent="afterPrint()" />
<script>
/*
* PNG Behavior
*
* This script was created by Erik Arvidsson (erik(at)eae.net)
* for WebFX (http://webfx.eae.net)
* Copyright 2002
*
* For usage see license at http://webfx.eae.net/license.html
*
* Version: 1.01a
*
*/
var IS_PNG = /\.png$/i;
var supported = /MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == 'Win32';
var realSrc, realHeight, realWidth;
var blankSrc = 'skins/default/images/blank.gif';
if (supported) fixImage();
function propertyChanged() {
if (supported && event.propertyName == 'src') {
var i = element.src.lastIndexOf(blankSrc);
if (i == -1 || i != element.src.length - blankSrc.length) {
fixImage();
}
}
}
function fixImage() {
if (realSrc && element.src == realSrc) {
// this is an attempt to set the image to itself!
// pointless - leave the filter as-is, restore the blank image
element.src = blankSrc;
} else {
// set the image to something different
if (IS_PNG.test(element.src)) {
// fixable PNG
realSrc = element.src;
realWidth = element.width;
realHeight = element.height;
element.src = blankSrc;
element.style.width = realWidth + 'px';
element.style.height = realHeight + 'px';
element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + encodeURI(realSrc) + "',sizingMethod='scale')";
} else {
// ordinary image - make sure the fix is removed
if (realSrc) {
realSrc = null;
element.runtimeStyle.filter = '';
}
}
}
}
function beforePrint() {
if (realSrc) {
supported = false;
element.src = realSrc;
element.runtimeStyle.filter = '';
supported = true;
}
}
function afterPrint() {
if (realSrc) {
var rs = realSrc;
realSrc = null;
element.src = rs;
}
}
</script>
</public:component>

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Thu, Apr 9, 3:12 PM (15 h, 34 m)
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488883
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pngbehavior.htc (2 KB)

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