function disable_booking_form() {
	//booking_form = document.getElementById("agency_booking_form_content");
	//booking_form.style.opacity = 0.3;
	disable_field("form_booking_name");
	disable_field("form_booking_company");
	disable_field("form_booking_phone");
	disable_field("form_booking_email");
	disable_field("form_booking_date_day");
	disable_field("form_booking_date_month");
	disable_field("form_booking_date_year");
	disable_field("form_booking_date_hour");
	disable_field("form_booking_date_min");
}

function submit_booking_form(response) {
	updateContent(response);
}

function booking_form_response_success() {
	booking_form = document.getElementById("agency_booking_form_content");
	booking_form.innerHTML = '';
	booking_form.innerHTML = 'Your booking enquiry has already been sent.';
	//booking_form.style.opacity = 1;
}

function booking_form_response_fail() {
	//booking_form = document.getElementById("agency_booking_form_content");
	//booking_form.style.opacity = 1;
	enable_field("form_booking_name");
	enable_field("form_booking_company");
	enable_field("form_booking_phone");
	enable_field("form_booking_email");
	enable_field("form_booking_date_day");
	enable_field("form_booking_date_month");
	enable_field("form_booking_date_year");
	enable_field("form_booking_date_hour");
	enable_field("form_booking_date_min");
}

function disable_field(field) {
	document.getElementById(field).readonly = true;
}

function enable_field(field) {
	document.getElementById(field).readonly = false;
}