// dsiplay.js
//
// SUMMARY
//
// Fixed the IE problem of not showing gradient box

 var bgsleight    = function() {
     function addLoadEvent(func) {
       var oldonload = window.onload;
       if (typeof window.onload != 'function') {
           window.onload = func;
       } else {
           window.onload = function() {
               if (oldonload) {
                   oldonload();
               }
               func();
           }
       }
   }
     function fnLoadPngs() {
       var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
       var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
       for (var i = document.all.length - 1, obj = null; (obj = document.all[i]); i--) {
           if (itsAllGood && obj.currentStyle.backgroundImage.match(/\.png/i) != null) {
               fnFixPng(obj);
               obj.attachEvent("onpropertychange", fnPropertyChanged);
           }
       }
   }

   function fnPropertyChanged() {
       if (window.event.propertyName == "style.backgroundImage") {
           var el = window.event.srcElement;
           if (!el.currentStyle.backgroundImage.match(/x\.gif/i)) {
               var bg    = el.currentStyle.backgroundImage;
               var src = bg.substring(5,bg.length-2);
               el.filters.item(0).src = src;
               el.style.backgroundImage = "url(x.gif)";
           }
       }
   }

   function fnFixPng(obj) {
       var bg    = obj.currentStyle.backgroundImage;
       var src = bg.substring(5,bg.length-2);
       obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
       obj.style.backgroundImage = "url(x.gif)";
   }
 
   return {
             init: function() {
                     if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
               addLoadEvent(fnLoadPngs);
           }
                 }
   }
  }();

bgsleight.init();