private String myInitSubString(String varName)
	{
		String tmpName = null;
		int j = 0;
		for(int i = 0; i != varName.length(); i++)
		{
			if(varName.charAt(i) == '_' && j == 0)
			{
				j = i;
				continue;
			}
			if(varName.charAt(i) == '_' && j != 0)
			{
				tmpName = varName.substring(j + 1, i);
				break;
			}
		}
		return tmpName;
	}