public static void regButton(int mouseID, MouseListener ml)
	{
		if(!buttonMap.containsKey(mouseID)){
			buttonMap.put(mouseID, ml);
			if(mouseID == 0){
				System.out.println("Left button has been bound");
			}else if(mouseID == 1){
				System.out.println("Right button has been bound");
			}else{
				System.out.println(mouseID +" has been bound");
			}
			
		}
	}