private void addToEmptyBackward(Items list) {
   if (emptyItemsWithID == null) emptyItemsWithID = new DoublyLinkedListImpl<Items>();
   Enumeration<Items> it = emptyItemsWithID.reverseElements();
   while (it.hasMoreElements()) {
     Items compare = it.nextElement();
     if (compare.timeLastSent <= list.timeLastSent) {
       emptyItemsWithID.insertNext(compare, list);
       return;
     }
   }
   emptyItemsWithID.unshift(list);
 }