<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 = "/meteo/commun/img/blank.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;
}  // test for png
if(!!realSrc) {
if ( /\.png$/.test( realSrc.toLowerCase() ) ) {
// 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 = "";
}
}
}
</script>
</public:component>