<public:component lightWeight="true">
<public:attach event="onpropertychange" onevent="propertyChanged()" />
<public:attach event="onbeforeprint" onevent="beforePrint()" for="window"/>
<public:attach event="onafterprint" onevent="afterPrint()" for="window"/>
<script>

/*
* PNG Behavior
*
* This script was created by Erik Arvidsson (http://webfx.eae.net/contact.html#erik)
* for WebFX (http://webfx.eae.net)
* Copyright 2002-2004
*
* For usage see license at http://webfx.eae.net/license.html
*
* Version: 1.02
* Created: 2001-??-??    First working version
* Updated: 2002-03-28    Fixed issue when starting with a non png image and
*                      switching between non png images
*          2003-01-06    Fixed RegExp to correctly work with IE 5.0x
*          2004-05-09 When printing revert to original
*
*/

var supported = /MSIE ((5\.5)|[6789])/.test(navigator.userAgent) &&
                navigator.platform == "Win32";

var realSrc;
var blankSrc = "blank.gif";
var isPrinting = false;

if (supported) fixImage();

function propertyChanged() {
    if (!supported || isPrinting) 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 && /\.png$/i.test(src)) {
        element.src = blankSrc;
        return;
    }

    if ( ! new RegExp(blankSrc).test(src)) {
        // backup old src
        realSrc = src;
    }

    // test for png
    if (/\.png$/i.test(realSrc)) {
        // set blank image
        element.src = blankSrc;
        // set filter
        element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft." +
                    "AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
    }
    else {
        // remove filter
        element.runtimeStyle.filter = "";
    }
}

function beforePrint() {
    isPrinting = true;
    element.src = realSrc;
    element.runtimeStyle.filter = "";
    realSrc = null;
}

function afterPrint() {
    isPrinting = false;
    fixImage();
}

</script>
</public:component>