var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])
var isIe = -1 < navigator.appVersion.indexOf("MSIE") ? true : false 

startList = function() {

   for(var i=0; i<document.images.length; i++)
   {
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
        regExp = new RegExp("(.*)(\.[a-zA-Z]{3})")
        imageUrl = regExp.exec(img.src)
        if (isIe && (version >= 5.5)) {
          img.runtimeStyle.backgroundImage = "none"
          img.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src + "',sizingMethod='image')"
          img.over = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imageUrl[1] + "-over" + imageUrl[2] + "',sizingMethod='image')"        

          img.src = "/themes/cubic/images/spacer.gif"
        } else {
          img.over = imageUrl[1] + "-over" + imageUrl[2]
        } 
        img.className = "PNG"
      }
   }
}
function handleOver(id) { 
  var img = document.getElementById(id)
 if (isIe && (version >= 5.5)) {
 switch (img.className.toUpperCase()) {
    case 'PNG':
      tmp = img.over
      img.over = img.runtimeStyle.filter
      img.runtimeStyle.filter = tmp
    break;
    default:
// 	  tmp = img.over
// 	  img.over = img.src
// 	  img.src = tmp 	  
    break;
 }
 } else {
   tmp = img.over
   img.over = img.src
   img.src = tmp 	  
 }
}
window.onload = startList