public static Boolean map_exit(String str, HashMap<String, Integer>map){
		
		Iterator it=map.entrySet().iterator();
		@SuppressWarnings("rawtypes")
		Map.Entry entry;
		while(it.hasNext()){
			entry=(Entry) it.next();
			String str2=entry.getKey().toString();
			if(str2.equals(str)){
				return false;//Already exist
			}
		}
		return true;
		
	}