<public:component>
<public:attach event="onpropertychange" onevent="propertyChanged()" />
<script>

/* Copyright: Erik Arvidsson & Emil A Eklund. 
   http://webfx.eae.net/license.html */


var supported = /MSIE (5\.5)|[6789]/.test(navigator.userAgent) && navigator.platform == "Win32";
var realSrc;
var blankSrc = "/sitecore modules/shell/sitecore.calendar/images/blank.gif";

if (supported) fixImage();

function propertyChanged() {
   if (!supported) return;

   var pName = event.propertyName;
   if (pName != "src") return;

   if ( ! new RegExp(blankSrc).test(src))
      fixImage();
};

function fixImage() {

   var src = element.src;

   if (src == realSrc) {
      element.src = blankSrc;
      return;
   }

   if ( ! new RegExp(blankSrc).test(src)) {
      realSrc = src;
   }

   if ( /\.png$/.test( realSrc.toLowerCase() ) ) {

      element.src = blankSrc;

      element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" +
                                     src + "',sizingMethod='scale')";
   }
   else {

      //element.runtimeStyle.filter = "";
   }
}

</script>
</public:component>
