function em_location_types_accepted_searches($searches)
{
	$searches[] = 'location_type';
	return $searches;
}
add_filter('em_accepted_searches','em_location_types_accepted_searches',1,1);

function em_location_types_get_default_search($searches, $array)
{
	if( !empty($array['location_type'])){
		$searches['location_type'] = $array['location_type'];
	}
	return $searches;
}
add_filter('em_locations_get_default_search','em_location_types_get_default_search',1,2);

function em_location_types_events_get($locations, $args)
{
	if( !empty($args['location_type'])){

		$location_types = explode(',', $args['location_type']);
		foreach($locations as $location_key => $EM_Location){
			if( !in_array($EM_Location->location_attributes['location_type'], $location_types) ){
				unset($locations[$location_key]);
			}
		}
	}
	return $events;
}
add_filter('em_locations_get','em_location_types_events_get',1,2);