var ErrorName = "請鍵入你的姓名!";
var ErrorBlkEmail = "請鍵入你的電郵地址!";
var ErrorEmail = "你的電郵地址錯誤，請重新輸入!";

function check_enews(aform){
	
	enewsNameText = "enews.subscriber_name";
	enewsEmailText = "enews.email_id";
	

	//check sender name and email filled
	if(!chkBlank(enewsNameText)){
		
		errMsg(ErrorName);
		document.forms[aform].elements[enewsNameText].focus();
		return false;
	}
	
	if(!chkBlank(enewsEmailText)){
		
		errMsg(ErrorBlkEmail);
		document.forms[aform].elements[enewsEmailText].focus();
		return false;
		
	} else {
		if(!chkEmail(enewsEmailText)){
			errMsg(ErrorEmail);
			document.forms[aform].elements[enewsEmailText].focus();
			return false;
		}
	}
	
	return true;


}