function check_booking_form(alert_txt){
	var form = document.booking_form;
	// do field validation
	if ( form.arrival.value == "" || form.departure.value == "" || form.room_types.value == "" || form.numer_of_rooms.value == "" || form.adults.value == "" || form.kids.value == "" || form.first_name.value == "" || form.email.value == "" || form.captcha.value == "" || form.phone.value == "") {
		alert( alert_txt );
		return false;
	}else{
		return true;
	}
}

function check_contact_form(alert_txt){
	var form = document.contact_form;
	// do field validation
	if ( form.first_name.value == "" || form.email.value == "" || form.phone.value == "" || form.msg.value == "" || form.captcha.value == "") {
		alert( alert_txt );
		return false;
	}else{
		return true;
	}
}

function check_email_page_form(alert_txt){
	var form = document.email_page_form;
	// do field validation
	if ( form.email.value == "" || form.sender.value == "" || form.youremail.value == "" || form.subject.value == "" || form.captcha.value == "") {
		alert( alert_txt );
		return false;
	}else{
		return true;
	}
}

function check_feedback_form(alert_txt){
	var form = document.feedback_page_form;
	// do field validation
	if ( form.title.value == "" || form.first_name.value == "" || form.last_name.value == "" || form.email.value == "" || form.captcha.value == "") {
		alert( alert_txt );
		return false;
	}else{
		return true;
	}
}