Fix lightbox album scope

script/lightbox.js

@@ -326,7 +326,7 @@
 	}
     //ADDED-END
 
-    //this.album = [];
+    this.album = [];
     var imageNumber = 0;
 
     // Support both data-lightbox attribute and rel attribute implementations
@@ -376,7 +376,6 @@
   };
 
   Lightbox.prototype.addToAlbum = function($link) {
-	if(!this.album) this.album = [];
 	this.album.push({
 	  alt: $link.attr('data-alt'),
 	  link: $link.attr('href'),