function MM_preloadImages() { //v1.2
      if (document.images) {
          var imgFiles = MM_preloadImages.arguments;
          var preloadArray = new Array();
          for (var i=0; i<imgFiles.length; i++) {
            preloadArray[i] = new Image;
            preloadArray[i].src = imgFiles[i];
          }
        }
      }

      function MM_swapImage() { //v1.2
        var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.MM_swapImgData;
        for (i=0; i < (MM_swapImage.arguments.length-2); i+=5) {
          objStr = MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
          if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
              (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
            objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
          obj = eval(objStr);
          if (obj != null) {
            swapArray[j++] = obj;
            swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
            obj.src = MM_swapImage.arguments[i+2];
        } }
        document.MM_swapImgData = swapArray; //used for restore
      }