public function isEvent( $postId = null ) {
			if ( $postId === null || ! is_numeric( $postId ) ) {
				global $post;
				$postId = $post->ID;
			}
			if ( get_post_field('post_type', $postId) == self::POSTTYPE ) {
				return true;
			}
			return false;
		}

		public function isVenue( $postId = null ) {
			if ( $postId === null || ! is_numeric( $postId ) ) {
				global $post;
				$postId = $post->ID;
			}
			if ( get_post_field('post_type', $postId) == self::VENUE_POST_TYPE ) {
				return true;
			}
			return false;
		}