public static boolean isJPMobile(String agent){
		if (StringUtil.isEmpty(agent)) {
			return false;
		}
		
		boolean isJMobile = false;
		agent = agent.toUpperCase();
		if(agent.indexOf("DOCOMO") > -1 || 
				agent.indexOf("VODAFONE") > -1 ||
				agent.indexOf("SOFTBANK") > -1 ||
				agent.indexOf("MOT-") > -1 ||
				agent.indexOf("J-PHONE") > -1 ||
				agent.indexOf("KDDI") > -1 ||
				agent.indexOf("UP.BROWSER") > -1 ||
				agent.indexOf("WILLCOM") > -1){
			isJMobile = true;
		}
		
		return isJMobile;
	}