public String getValue(String key){
		/*String result = null;
		
		for (int i = 0; i < mDataSet[KEY].length; i++){
			//L[XgkeyƂ
			if (mDataSet[KEY][i].equals(key)){
				result = mDataSet[VALUE][i];
				break;
			}
		}
		
		return result;
		*/
		
		return (String) mHashMap.get(key);
	}