//js by Huongnt
function checkForm_1(f){	
//name
	if(f.cf_name.value=="" || f.cf_name.value==null || f.cf_name.value=="Name"){
		window.alert(T_NAME_REQUIRED);
		f.cf_name.focus();
		return false;
	}
	if (isNaN(f.cf_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.cf_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.cf_email.value=="" || f.cf_email.value==null || f.cf_email.value=="Email"){
		window.alert(T_EMAIL_REQUIRED);
		f.cf_email.focus();
		return false;
	}
	if (!regex.test(f.cf_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.cf_email.focus();
		return false;
	}
//comment
	if(f.cf_content.value=="" || f.cf_content.value==null){
		window.alert(T_CONTENT_REQUIRED);
		f.cf_content.focus();
		return false;
	}
//scode
if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SPAM);
		f.scode.focus();
		return false;
	}
}
// add by thoht
function checkForm_2(f){
//name
	if(f.cf_name.value=="" || f.cf_name.value==null || f.cf_name.value=="Name"){
		window.alert(T_NAME_REQUIRED);
		f.cf_name.focus();
		return false;
	}
	if (isNaN(f.cf_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.cf_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.cf_email.value=="" || f.cf_email.value==null || f.cf_email.value=="Email"){
		window.alert(T_EMAIL_REQUIRED);
		f.cf_email.focus();
		return false;
	}
	if (!regex.test(f.cf_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.cf_email.focus();
		return false;
	}
//comment
	if(f.cf_content.value=="" || f.cf_content.value==null){
		window.alert(T_CONTENT_REQUIRED);
		f.cf_content.focus();
		return false;
	}
	//scode	
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	}
}
function checkHotelBook(f)
{
	//calender1
	if(f.txtstartdate.value=="" || f.txtstartdate.value==null){
		window.alert(T_CALENDER_CHECK_IN);
		f.txtstartdate.focus();
		return false;
	}	
	//calender1
	if(f.txtenddate.value=="" || f.txtenddate.value==null){
		window.alert(T_CALENDER_CHECK_OUT);
		f.txtenddate.focus();
		return false;
	}
}
/*Tienng_Esn*/
function checkBookForm(f){	
//name
	if(f.ct_name.value=="" || f.ct_name.value==null){
		window.alert(T_NAME_REQUIRED);
		f.ct_name.focus();
		return false;
	}
	if (isNaN(f.ct_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.ct_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.ct_email.value=="" || f.ct_email.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.ct_email.focus();
		return false;
	}
	if (!regex.test(f.ct_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.ct_email.focus();
		return false;
	}
//scode
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_CODE_TYPE);
		f.scode.focus();
		return false;
	}
return true;
}
function checkCustomizeForm(f){	
//name
	if(f.ct_name.value=="" || f.ct_name.value==null){
		window.alert(T_NAME_REQUIRED);
		f.ct_name.focus();
		return false;
	}
	if (isNaN(f.ct_name.value)==false){
		window.alert(T_SPAM);
		f.ct_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.ct_email.value=="" || f.ct_email.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.ct_email.focus();
		return false;
	}
	if (!regex.test(f.ct_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.ct_email.focus();
		return false;
	}
// start date
	if(f.start_date.value=="" || f.start_date.value==null){
		window.alert(T_DATE);
		f.start_date.focus();
		return false;
	}
//scode
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_CODE_TYPE);
		f.scode.focus();
		return false;
	}
return true;
}
// Check book ticket -> 2 chieu
function checkBookTicket(f){
		//start date
		if(f.start_date.value=="" || f.start_date.value==null){
			window.alert(T_DATE);
			f.start_date.focus();
			return false;
		}
		//number
		if(f.start_time.value=="" || f.start_time.value==null){
			window.alert(T_START_TIME);
			f.start_time.focus();
			return false;
		}
		//number
		if(f.num_ticket.value=="" || f.num_ticket.value==null){
			window.alert(T_NUMBER_TICKET);
			f.num_ticket.focus();
			return false;
		}
		if(f.cf_name.value=="" || f.cf_name.value==null || f.cf_name.value=="Name"){
		window.alert(T_NAME_REQUIRED);
		f.cf_name.focus();
		return false;
	}
	if (isNaN(f.cf_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.cf_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.cf_email.value=="" || f.cf_email.value==null || f.cf_email.value=="Email"){
		window.alert(T_EMAIL_REQUIRED);
		f.cf_email.focus();
		return false;
	}
	if (!regex.test(f.cf_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.cf_email.focus();
		return false;
	}
//comment
	if(f.cf_content.value=="" || f.cf_content.value==null){
		window.alert(T_CONTENT_REQUIRED);
		f.cf_content.focus();
		return false;
	}
//scode
if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SPAM);
		f.scode.focus();
		return false;
	}
	return true;
}
// check book ticket -> 1 chieu
function CheckBookTicket_1(f){
		//start date
		if(f.tk_date_start.value=="" || f.tk_date_start.value==null){
			window.alert(T_CALENDER_START);
			f.tk_date_start.focus();
			return false;
		}
		//number
		if(f.tk_number.value=="" || f.tk_number.value==null){
			window.alert(T_NUMBER_TICKET);
			f.tk_number.focus();
			return false;
		}
}


function checkSendEmail(f){	
//email2
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.send_email_2.value=="" || f.send_email_2.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.send_email_2.focus();
		return false;
	}
	if (!regex.test(f.send_email_2.value)){
		window.alert(T_EMAIL_TYPE);
		f.send_email_2.focus();
		return false;
	}
//email recipients
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.send_email_1.value=="" || f.send_email_1.value==null){
		window.alert(T_EMAIL_RECIPITENS); 	
		f.send_email_1.focus();
		return false;
	}
	if (!regex.test(f.send_email_1.value)){
		window.alert(T_EMAIL_RECIPITENS_NULL);
		f.send_email_1.focus();
		return false;
	}
//code spam
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SPAM);
		f.scode.focus();
		return false;
	}
	return true;
}


function checkContactForm_4(f){	
//name
	if(f.ct_name_2.value=="" || f.ct_name_2.value==null){
		window.alert(T_NAME_REQUIRED);
		f.ct_name_2.focus();
		return false;
	}
	if (isNaN(f.ct_name_2.value)==false){
		window.alert(T_NAME_TYPE);
		f.ct_name_2.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.ct_email_2.value=="" || f.ct_email_2.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.ct_email_2.focus();
		return false;
	}
	if (!regex.test(f.ct_email_2.value)){
		window.alert(T_EMAIL_TYPE);
		f.ct_email_2.focus();
		return false;
	}
//content
	if(f.ct_content_2.value=="" || f.ct_content_2.value==null){
		window.alert(T_CONTENT_REQUIRED);
		f.ct_content_2.focus();
		return false;
	}
//code spam
	//window.alert('==='+f.ct_content.value+'==');
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_CODE_CONFRIM);
		f.scode.focus();
		return false;
	}
	return true;
return true;
}