public/vendor/fancybox/jquery.fancybox.js
function ( direction ) {
			var current = F.current;

			if (current) {
				if (!isString(direction)) {
					direction = current.direction.prev;
				}

				F.jumpto(current.index - 1, direction, 'prev');
			}
		}
function ( direction ) {
			var current = F.current;

			if (current) {
				if (!isString(direction)) {
					direction = current.direction.prev;
				}

				F.jumpto(current.index - 1, direction, 'prev');
			}
		}
function ( direction ) { var current = F . current ; if ( current ) { if ( ! isString ( direction ) ) { direction = current . direction . prev ; } F . jumpto ( current . index - 1 , direction , 'prev' ) ; } }
Navigate to previous gallery item
Navigate to previous gallery item