wrap around box changer

gistfile1.txt

  this.inputChanger = function() {
		$(window).on('keydown', function(event) {
	        if(event.which === 13) {
				var target = $(event.target);
				var thingie = target.closest('.lightbox-container');
				var inputs = thingie.find('input,textarea');
				var index = inputs.get().indexOf(event.target);
				var nextIndex = (index + 1) % inputs.length;
				$(inputs.get(nextIndex)).focus();
				return false;
	        } else if(event.which === 27) {
				self.lightBox.close();
	        	return false;
	        }
	    });			
	};