function flipBox(who) {
   var tmp;
   if (document.images["b_" + who].src.indexOf("_on") == -1) {
      tmp = document.images["b_" + who].src.replace("_off", "_on");
      document.getElementById("box_" + who).style.display = "none";
      if (document.getElementById("box_" + who + "_diff")) {
         document.getElementById("box_" + who + "_diff").style.display = "block";
      }
      document.images["b_" + who].src = tmp;
      disply = "none";
      now = new Date();
      now.setTime(now.getTime()+1000*60*60*24*365);
      expire = (now.toGMTString());
      document.cookie = "fusion_box_"+who+"=" + escape(disply) + "; expires="+expire;
   } else {
      tmp = document.images["b_" + who].src.replace("_on", "_off");
      document.getElementById("box_" + who).style.display = "block";
      if (document.getElementById("box_" + who + "_diff")) {
         document.getElementById("box_" + who + "_diff").style.display = "none";
      }
      document.images["b_" + who].src = tmp;
      disply = "block";
      now = new Date();
      now.setTime(now.getTime()+1000*60*60*24*365);
      expire = (now.toGMTString());
      document.cookie = "fusion_box_"+who+"=" + escape(disply) + "; expires="+expire;
   }
}