public ArrayList<Item> alSort(ArrayList<Item> al) {
		
		for (int i=0;i<al.size();i++) {
			for (int e=0;e<al.size()-i-1;e++) {
				if (al.get(e).data2>al.get(e+1).data2) {
					swap(al,e,e+1);
				}
			}
		}
		
		
		
		
		
		return al;
		
	}