//js by Tienng

function checkContactForm(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;

	}


//content

	if(f.ct_content.value=="" || f.ct_content.value==null){

		window.alert(T_CONTENT_REQUIRED);

		f.ct_content.focus();

		return false;

	}
	
//scode	

	if(f.scode.value=="" || f.scode.value==null){

		window.alert("Number NULL");

		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

	if(f.txtphone.value=="" || f.txtphone.value==null){

		window.alert(T_PHONE_REQUIRED);

		f.txtphone.focus();

		return false;

	}
	
//scode	

	if(f.scode.value=="" || f.scode.value==null){

		window.alert("Number NULL");

		f.scode.focus();

		return false;

	}

}




function CheckBookTour(f){

	if(f.txtdate.value=="" || f.txtdate.value==null){

		window.alert(T_ARRIVAL_DATE_REQUIRED);

		f.txtdate.focus();

		return false;

	}

	if((f.txtadult.value=="" || f.txtadult.value<=0) && (f.txtunder2.value=="" || f.txtunder2.value<=0)){

		window.alert("Number of person >0");

		f.txtadult.focus();

		return false;

	}

	return true;		

}



function checkSendEmail(f){	

//name 

	if(f.sm_name.value=="" || f.sm_name.value==null){

		window.alert(T_NAME_REQUIRED);

		f.sm_name.focus();

		return false;

	}



	if (isNaN(f.sm_name.value)==false){

		window.alert(T_NAME_TYPE);

		f.sm_name.focus();

		return false;

	}	

//email1

	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;

	if(f.sm_email1.value=="" || f.sm_email1.value==null){

		window.alert(T_EMAIL_REQUIRED);

		f.sm_email1.focus();

		return false;

	}

	if (!regex.test(f.sm_email1.value)){

		window.alert(T_EMAIL_TYPE);

		f.sm_email1.focus();

		return false;

	}

//email recipients

	var regex = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;

	if(f.sm_email2.value=="" || f.sm_email2.value==null){

		window.alert(T_EMAIL_RECIPITENS); 	

		f.sm_email2.focus();

		return false;

	}

	if (!regex.test(f.sm_email2.value)){

		window.alert(T_EMAIL_TYPE);

		f.sm_email2.focus();

		return false;

	}

//content

	if(f.sm_content.value=="" || f.sm_content.value==null){

		window.alert(T_CONTENT_REQUIRED);

		f.sm_content.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 checkCusTour(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_ARRIVAL_DATE_REQUIRED);

		f.txtdate.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 checkCusTour2(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;

	}





//code spam

	if(f.scode.value=="" || f.scode.value==null){

		window.alert(T_SPAM);

		f.scode.focus();

		return false;

	}

	return true;

}



function checkContact_7(f){	

//name

	if(f.txtfname.value=="" || f.txtfname.value==null){

		window.alert(T_F_NAME_REQUIRED);

		f.txtfname.focus();

		return false;

	}



	if (isNaN(f.txtfname.value)==false){

		window.alert(T_F_NAME_TYPE);

		f.txtfname.focus();

		return false;

	}

	//name 

	if(f.txtlname.value=="" || f.txtlname.value==null){

		window.alert(T_L_NAME_REQUIRED);

		f.txtlname.focus();

		return false;

	}



	if (isNaN(f.txtlname.value)==false){

		window.alert(T_L_NAME_TYPE);

		f.txtlname.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;

	}

//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

	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;

	} 

//scode 

	if(f.scode.value=="" || f.scode.value==null){

		window.alert(T_SCODE_REQUIRED);

		f.scode.focus();

		return false;

	} 

}

// Check shopcart

function CheckShopcart(f)

{ 

	//name 

	if(f.txtfname.value=="" || f.txtfname.value==null){

		window.alert(T_F_NAME_REQUIRED);

		f.txtfname.focus();

		return false;

	}



	if (isNaN(f.txtfname.value)==false){

		window.alert(T_F_NAME_TYPE);

		f.txtfname.focus();

		return false;

	}

	//name 

	if(f.txtlname.value=="" || f.txtlname.value==null){

		window.alert(T_L_NAME_REQUIRED);

		f.txtlname.focus();

		return false;

	}



	if (isNaN(f.txtlname.value)==false){

		window.alert(T_L_NAME_TYPE);

		f.txtlname.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;

	}



}



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;

	}

//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 CheckShopcart(f)

{ 

	//name 

	if(f.txtfname.value=="" || f.txtfname.value==null){

		window.alert(T_F_NAME_REQUIRED);

		f.txtfname.focus();

		return false;

	}



	if (isNaN(f.txtfname.value)==false){

		window.alert(T_F_NAME_TYPE);

		f.txtfname.focus();

		return false;

	}

	//name 

	if(f.txtlname.value=="" || f.txtlname.value==null){

		window.alert(T_L_NAME_REQUIRED);

		f.txtlname.focus();

		return false;

	}



	if (isNaN(f.txtlname.value)==false){

		window.alert(T_L_NAME_TYPE);

		f.txtlname.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;

	}	

}

function check_form_addcruise(f){

	if(f.txtdate.value=="" || f.txtdate.value==null){

	window.alert(T_ARRIVAL_DATE_REQUIRED);

	f.txtdate.focus();

	return false;

	}

	if((f.cabin1.value=="" || f.cabin1.value<=0) && (f.cabin2.value=="" || f.cabin2.value<=0)){

		window.alert("Number of Single cabin >0 or Number of Double cabin >0");

		f.cabin1.focus();

		return false;

	}

	

	return true;

}