Add ability for admin to choose help areas via gui, enhance medical condition field in regn form

booking.admin.inc

@@ -321,9 +321,23 @@ function booking_admin() {
 	'#type' => 'radios',
 	'#title' => t('Enable help area questions?'),
 	'#description' => t('Select whether to include questions about areas people are willing to help with in the booking form.'),
-	'#options' => array (0 => t('No'), t('Yes')),
+	'#options' => array (0 => t('No'), 1 => t('Yes')),
 	'#default_value' => variable_get('booking_enable_helpareas', 0),
 	);
+	$form['regn_options']['booking_enabled_helparea_options'] = array (
+		'#type' => 'select',
+		'#multiple' => TRUE,
+		'#title' => t('Select help areas to enable'),
+		'#description' => t('Select which questions to include in the booking form.'),
+		'#options' => _booking_get_help_areas(),
+		'#default_value' => variable_get('booking_enabled_helparea_options', ''),
+		'#states' => array(
+			// Only show this field when the 'booking_enable_helpareas' checkbox is enabled.
+			'visible' => array(
+				':input[name="booking_enable_helpareas"]' => array('value' => 1),
+			),
+		),	
+	);	
 	$form['regn_options']['booking_enable_skills'] = array (
 	'#type' => 'radios',
 	'#title' => t('Enable special skills information?'),