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<public:component>
<public:attach event="onpropertychange" onevent="propertyChanged()" />
<script>
var supported = /MSIE (5\.5)|[6789]/.test(navigator.userAgent) && navigator.platform == "Win32";
var realSrc;
var blankSrc = "/images/spacer.gif";
if (supported) fixImage();
function propertyChanged() {
if (!supported) return;
var pName = event.propertyName;
if (pName != "src") return;
// if not set to blank
if ( ! new RegExp(blankSrc).test(src))
fixImage();
};
function fixImage() {
// get src
var src = element.src;
// check for real change
if (src == realSrc) {
element.src = blankSrc;
return;
}
if ( ! new RegExp(blankSrc).test(src)) {
// backup old src
realSrc = src;
}
// set blank image
element.src = blankSrc;
// set filter
element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
}
</script>
</public:component>
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