public static String StrFill(String fillStr ,String oldStr ,int length ,String place)
	{
		StringBuffer sb =  new StringBuffer();
		if("right".equals(place)){
			sb.append(oldStr);
		}
		for(int i=0; i < (length - oldStr.length());i++){
			sb.append(fillStr);
		}
		if("left".equals(place)){
			sb.append(oldStr);
		}
		return sb.toString();
	}