//js by Huongnt
function CheckComment(f){
//name
	if(f.cm_name.value=="" || f.cm_name.value==null){
		window.alert(T_NAME_REQUIRED);
		f.cm_name.focus();
		return false;
	}
	if (isNaN(f.cm_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.cm_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.cm_email.value=="" || f.cm_email.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.cm_email.focus();
		return false;
	}
	if (!regex.test(f.cm_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.cm_email.focus();
		return false;
	}
//Nationality
	if(f.cm_nation.value=="Select your country"){
		window.alert(T_COUNTRY_REQUIRED);
		f.cm_nation.focus();
		return false;
	}
//comment
	if(f.cm_content.value=="" || f.cm_content.value==null){
		window.alert(T_COMMENT_REQUIRED);
		f.cm_content.focus();
		return false;
	}
	//scode	
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	}
}

function CheckBookTour(f){
	//date
	if(f.bt_date.value=="" || f.bt_date.value==null){
		window.alert(T_DATE);
		f.bt_date.focus();
		return false;
	}
	//person
	if(f.bt_number1.value==""){
		window.alert(T_NUMBER_PERSON);
		f.bt_number1.focus();
		return false;
	}
	if (isNaN(f.bt_number1.value)==true){
		window.alert(T_NUMBER_TYPE);
		f.bt_number1.focus();
		return false;
	}
}

function CheckCustomize(f){
//name
	if(f.cus_name.value=="" || f.cus_name.value==null){
		window.alert(T_NAME_REQUIRED);
		f.cus_name.focus();
		return false;
	}
	if (isNaN(f.cus_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.cus_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.cus_email.value=="" || f.cus_email.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.cus_email.focus();
		return false;
	}
	if (!regex.test(f.cus_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.cus_email.focus();
		return false;
	}
	// phone
	if(f.cus_phone.value=="" || f.cus_phone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.cus_phone.focus();
		return false;
	}
	if (isNaN(f.cus_phone.value)==true){
		window.alert(T_PHONE_TYPE);
		f.cus_phone.focus();
		return false;
	}
	//date
	if(f.cus_date.value=="" || f.cus_date.value==null){
		window.alert(T_DATE);
		f.cus_date.focus();
		return false;
	}
	//scode	
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	}
}

function CheckContact(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;
	}
	if(f.ct_phone.value=="" || f.ct_phone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.ct_phone.focus();
		return false;
	}
	if (isNaN(f.ct_phone.value)==true){
		window.alert(T_PHONE_TYPE);
		f.ct_phone.focus();
		return false;
	}
//content
	if(f.ct_content.value=="" || f.ct_content.value==null){
		window.alert(T_COMMENT_REQUIRED);
		f.ct_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.start_date.value=="" || f.start_date.value==null){
		window.alert(T_CALENDER_CHECK_IN);
		f.start_date.focus();
		return false;
	}	
	//calender1
	if(f.end_date.value=="" || f.end_date.value==null){
		window.alert(T_CALENDER_CHECK_OUT);
		f.end_date.focus();
		return false;
	}
}

function CheckShopcart(f){
//name
	if(f.cart_name.value=="" || f.cart_name.value==null){
		window.alert(T_NAME_REQUIRED);
		f.cart_name.focus();
		return false;
	}
	if (isNaN(f.cart_name.value)==false){
		window.alert(T_NAME_TYPE);
		f.cart_name.focus();
		return false;
	}
//email
	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;
	if(f.cart_email.value=="" || f.cart_email.value==null){
		window.alert(T_EMAIL_REQUIRED);
		f.cart_email.focus();
		return false;
	}
	if (!regex.test(f.cart_email.value)){
		window.alert(T_EMAIL_TYPE);
		f.cart_email.focus();
		return false;
	}
	// phone
	if(f.cart_phone.value=="" || f.cart_phone.value==null){
		window.alert(T_PHONE_REQUIRED);
		f.cart_phone.focus();
		return false;
	}
	//scode	
	if(f.scode.value=="" || f.scode.value==null){
		window.alert(T_SCODE_REQUIRED);
		f.scode.focus();
		return false;
	}
}