// JavaScript Document
// Original code (youngpup’s Sleight): http://youngpup.net/2001/sleight
// Updated by Drew McLellan at http://www.allinthehead.com/retro/69
// namespace and onload event added by zigotica.com
var OPACITIES = {
   addLoadEvent : function (fn) {
      var old = window.onload;
      if (typeof window.onload != 'function') {
         window.onload = fn;
      }
      else {
         window.onload = function() {
         old();
         fn();
         }
      }
   },
   
   alphaBackgrounds : function(){
      var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
      var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
      if (itsAllGood){
         for (i=0; i<document.all.length; i++){
            var bg = document.all[i].currentStyle.backgroundImage;
            if (bg){
               if (bg.match(/\.png/i) != null){
                  var mypng = bg.substring(5,bg.length-2);
                  document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')";
                  document.all[i].style.backgroundImage = "url('')"; //doesnt exist ?
               }
            }
         }
      }
   }
}


if (document.getElementById && document.getElementsByTagName && navigator.appVersion.indexOf("MSIE") > -1 && !window.opera) 
	{
  	 OPACITIES.addLoadEvent(function(){OPACITIES.alphaBackgrounds();})
	}