//hongnt viet
function checkContact(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//content
	if(f.txtcontent.value== null || f.txtcontent.value==''){
		window.alert(T_CONTENT_REQUIRED);
		f.txtcontent.focus();
		return false;
	}
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
}

function checkContact_2(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
	//date
	if(f.txtdate.value=="" || f.txtdate.value==null){
		window.alert(T_DATE_REQUIRED);
		f.txtdate.focus();
		return false;
	}
}

function checkContact_3(f){	
//date
	if(f.txtdate.value=="" || f.txtdate.value==null){
		window.alert(T_DATE_REQUIRED);
		f.txtdate.focus();
		return false;
	}
//number
	if(f.txtnumber.value=="" || f.txtnumber.value==null){
		window.alert(T_NUMBER_REQUIRED);
		f.txtnumber.focus();
		return false;
	}
	if (isNaN(f.txtnumber.value)){
		window.alert(T_NUMBER_TYPE);
		f.txtnumber.focus();
		return false;
	}
}
function checkContact_4(f){	
//date
	if(f.txtdate_2.value=="" || f.txtdate_2.value==null){
		window.alert(T_DATE_REQUIRED);
		f.txtdate_2.focus();
		return false;
	}
//number
	if(f.txtnumber_2.value=="" || f.txtnumber_2.value==null){
		window.alert(T_NUMBER_REQUIRED);
		f.txtnumber_2.focus();
		return false;
	}
	if (isNaN(f.txtnumber_2.value)){
		window.alert(T_NUMBER_TYPE);
		f.txtnumber_2.focus();
		return false;
	}
}

function checkContact_5(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//Phone
	/*if(f.txtphone.value=="" || f.txtphone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.txtphone.focus();
		return false;
	}*/
	if (isNaN(f.txtphone.value)){
		window.alert(T_PHONE_TYPE);
		f.txtphone.focus();
		return false;
	}
//date 1
	if(f.txtdate_1.value=="" || f.txtdate_1.value==null){
		window.alert(T_ARRIVAL_DATE_REQUIRED);
		f.txtdate_1.focus();
		return false;
	}
//date 2
	if(f.txtdate_2.value=="" || f.txtdate_2.value==null){
		window.alert(T_EXIT_DATE_REQUIRED);
		f.txtdate_2.focus();
		return false;
	}
//Port of Arrival
	if(f.txtport_ariival.value=="" || f.txtport_ariival.value==null){
		window.alert(T_PORT_OF_ARRIVAL_REQUIRED);
		f.txtport_ariival.focus();
		return false;
	}
}


function checkContact_6(f){	
//name
	//alert("dfdfdf");
	//return false;
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}

//date 
	if(f.txtdate.value=="" || f.txtdate.value==null){
		window.alert(T_ARRIVAL_DATE_REQUIRED);
		f.txtdate.focus();
		return false;
	}
	
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
}
function checkcustomize_tour(f)
{
	
	//calender
	if(f.txtcalender.value=="" || f.txtcalender.value==null){
		window.alert(T_CALENDER);
		f.txtcalender.focus();
		return false;
	}
	//number of adult
	if(f.txtadult.value=="" || f.txtadult.value==null){
		window.alert(T_NUMBER_ADULT);
		f.txtadult.focus();
		return false;
	}
	if (isNaN(f.txtadult.value)==true){
		window.alert(T_NUMBER_ADULT_TYPE);
		f.txtadult.focus();
		return false;
	}	
	//number of under 2 years old
	if(f.txtunder2.value=="" || f.txtunder2.value==null){
		window.alert(T_NUMBER_UNDER_2);
		f.txtunder2.focus();
		return false;
	}
	if (isNaN(f.txtunder2.value)==true){
		window.alert(T_NUMBER_UNDER_2_TYPE);
		f.txtunder2.focus();
		return false;
	}	
	//number person
	if(f.txtover2.value=="" || f.txtover2.value==null){
		window.alert(T_NUMBER_OVER_2);
		f.txtover2.focus();
		return false;
	}
	if (isNaN(f.txtover2.value)==true){
		window.alert(T_NUMBER_OVER_2_TYPE);
		f.txtover2.focus();
		return false;
	}	
}
function checkCustomizeTour(f)
{
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//Phone
	/*if(f.txtphone.value=="" || f.txtphone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.txtphone.focus();
		return false;
	}*/
	if (isNaN(f.txtphone.value)){
		window.alert(T_PHONE_TYPE);
		f.txtphone.focus();
		return false;
	}
}



function checkPostQuestion(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//Question
	if(f.txtquestion.value== null || f.txtquestion.value==''){
		window.alert(T_QUESTION_REQUIRED);
		f.txtquestion.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.ht_calender.value=="" || f.ht_calender.value==null){
		window.alert(T_CALENDER_CHECK_IN);
		f.ht_calender.focus();
		return false;
	}	
	//calender1
	if(f.ht_calender2.value=="" || f.ht_calender2.value==null){
		window.alert(T_CALENDER_CHECK_OUT);
		f.ht_calender2.focus();
		return false;
	}
	//number room
	if(f.ht_room.value=="" || f.ht_room.value==null){
		window.alert("Enter number of room.");
		f.ht_room.focus();
		return false;
	}
	if (isNaN(f.ht_room.value)==true){
		window.alert("Please check number of room.");
		f.ht_room.focus();
		return false;
	}	
	//number extra
	if(f.ht_extra.value=="" || f.ht_extra.value==null){
		window.alert("Enter number of extra.");
		f.ht_extra.focus();
		return false;
	}
	if (isNaN(f.ht_extra.value)==true){
		window.alert("Please check number of extra.");
		f.ht_extra.focus();
		return false;
	}
}






function checkContact_7(f){	
//name
	//alert("dfdfdf");
	//return false;
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//Phone
	/*if(f.txtphone.value=="" || f.txtphone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.txtphone.focus();
		return false;
	}*/
	if (isNaN(f.txtphone.value)){
		window.alert(T_PHONE_TYPE);
		f.txtphone.focus();
		return false;
	}
//date 
	if(f.txtdate.value=="" || f.txtdate.value==null){
		window.alert(T_ARRIVAL_DATE_REQUIRED);
		f.txtdate.focus();
		return false;
	}
	
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
}



function checkContact_8(f){	
//name
	//alert("dfdfdf");
	//return false;
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//Phone
	/*if(f.txtphone.value=="" || f.txtphone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.txtphone.focus();
		return false;
	}*/
	if (isNaN(f.txtphone.value)){
		window.alert(T_PHONE_TYPE);
		f.txtphone.focus();
		return false;
	}
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
}



function checkShoppingCart(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
	
//Phone

//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
	
}




function checkSendComment(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//content
	if(f.txtcontent.value== null || f.txtcontent.value==''){
		window.alert(T_CONTENT_REQUIRED);
		f.txtcontent.focus();
		return false;
	}
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
}



function checkPostQuestion_2(f){	
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}

	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}	
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//Question
	if(f.txtquestion.value== null || f.txtquestion.value==''){
		window.alert(T_QUESTION_REQUIRED_2);
		f.txtquestion.focus();
		return false;
	}
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	} 
}

function checkTourBookForm(f){	
//name
	if(f.t_book_name.value=="" || f.t_book_name.value==null){
		window.alert(T_NAME_REQUIRED);
		f.t_book_name.focus();
		return false;
	}

	if (isNaN(f.t_book_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.t_book_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.t_book_email.value=="" || f.t_book_email.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.t_book_email.focus();
		return false;
	}	
	if (!regex.test(f.t_book_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.t_book_email.focus();
		return false;
	}
//content
	//window.alert('==='+f.ct_content.value+'==');
	if(f.t_book_code.value=="" || f.t_book_code.value==null){
		window.alert("Number NULL");
		f.t_book_code.focus();
		return false;
	}
return true;
}

function checkCusTour(f){	
//content
	if(f.txtdate.value=="" || f.txtdate.value==null){
		window.alert(T_DATE2_REQUIRED);
		f.txtdate.focus();
		return false;
	}
//name
	if(f.txtname.value=="" || f.txtname.value==null){
		window.alert(T_NAME_REQUIRED);
		f.txtname.focus();
		return false;
	}
	if (isNaN(f.txtname.value)==false){
		window.alert(T_NAME_TYPE);
		f.txtname.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.txtemail.value=="" || f.txtemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.txtemail.focus();
		return false;
	}
	if (!regex.test(f.txtemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.txtemail.focus();
		return false;
	}
//content
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_CODE_REQUIRED);
		f.scode.focus();
		return false;
	}
	return true;
return true;
}

function showTab(id){
	document.getElementById(id).checked="checked";
	document.getElementById('search_tour').style.display= "none";
	document.getElementById('search_resort').style.display= "none";
	document.getElementById('search_cruise').style.display= "none";
	document.getElementById('search_'+id).style.display= "block";
}



function checkLinkForm(f){

	if(f.BNname.value=="" || f.BNname.value==null){
		window.alert("Your site title");
		f.BNname.focus();
		return false;
	}

	if(f.BNurl.value=="" || f.BNurl.value==null){
		window.alert("Your site URL");
		f.BNurl.focus();
		return false;
	}

	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.BNemail.value=="" || f.BNemail.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.BNemail.focus();
		return false;
	}	
	if (!regex.test(f.BNemail.value)){
		window.alert(T_EMAIL_TYPE);
		f.BNemail.focus();
		return false;
	}
//scode 
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	}
}