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iepngfix_scale.htc
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2009-11-09
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2KB
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78 lines
<public:component>
<public:attach event="onpropertychange" onevent="doFix()" />
<script type="text/javascript">
// IE5.5+ PNG Alpha Fix v1.0RC3
// (c) 2004-2005 Angus Turnbull http://www.twinhelix.com
// This is licensed under the CC-GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/
// This must be a path to a blank image. That's all the configuration you need.
var blankImg = '/global/elements/blank.gif';
var f = 'DXImageTransform.Microsoft.AlphaImageLoader';
function filt(s,m)
{
if (filters[f])
{
filters[f].enabled = s ? true : false;
if (s) with (filters[f])
{
src = s;
sizingMethod = m;
}
}
else if (s)
{
style.filter = 'progid:'+f+'(src="'+s+'",sizingMethod="'+m+'")';
}
}
function doFix()
{
// Assume IE7 is OK
if (!/MSIE (5\.5|6\.)/.test(navigator.userAgent) || (event && !/(background|src)/.test(event.propertyName)))
{
return;
}
var bgImg = currentStyle.backgroundImage || style.backgroundImage;
if (tagName == 'IMG' || tagName == 'INPUT')
{
if ((/\.png$/i).test(src))
{
// this tests to see if the image has already been replaced once before
if (src.indexOf('?repurl=') == -1)
{
if (currentStyle.width == 'auto' && currentStyle.height == 'auto')
{
style.width = offsetWidth+'px';
}
filt(src,'scale');
src = blankImg+'?repurl='+src;
}
}
else if (src.indexOf(blankImg) < 0)
{
filt();
}
}
else if (bgImg && bgImg != 'none')
{
if (bgImg.match(/^url[("']+(.*\.png)[)"']+$/i))
{
var s = RegExp.$1;
if (currentStyle.width == 'auto' && currentStyle.height == 'auto')
{
style.width = offsetWidth+'px';
}
style.backgroundImage = 'none';
filt(s,'scale');
// IE link fix
for (var n=0;n<childNodes.length;n++)
{
if (childNodes[n].style) { childNodes[n].style.position = 'relative'};
}
}
else filt();
}
}
doFix();
</script>
</public:component>