diff --git a/src/model/actor.js b/src/model/actor.js
index 0e6055e4..7bb10098 100644
--- a/src/model/actor.js
+++ b/src/model/actor.js
@@ -587,6 +587,9 @@
             this.dirty= true;
             return this;
 		},
+		flipX : function() {
+			this.setScale(-this.scaleX,this.scaleY);
+		},
         getAnchorPercent : function( anchor ) {
 
             var anchors=[
@@ -761,6 +764,16 @@
 
             return this;
 	    },
+		setFullBounds : function(director) {
+			this.x = 0;
+			this.y = 0;
+			this.width = director.width;
+			this.height = director.height;
+			
+			this.dirty = true;
+			
+			return this;
+		},
         /**
          * This method sets the position of an Actor inside its parent.
          *
@@ -1139,6 +1152,16 @@
 
             return this;
 	    },
+		disableDrag : function() {
+
+		    this.mouseEnter= function(mouseEvent) {};
+		    this.mouseExit = function(mouseEvent) {};
+		    this.mouseMove = function(mouseEvent) {};
+		    this.mouseUp = function(mouseEvent) {};
+		    this.mouseDrag = function(mouseEvent) {};
+
+		    return this;
+		},
         /**
          * Default mouseClick handler.
          * Mouse click events are received after a call to mouseUp method if no dragging was in progress.
@@ -2355,6 +2378,9 @@
         getNumActiveChildren : function() {
             return this.activeChildren.length;
         },
+		shuffleChildrens : function() {
+			this.childrenList.sort(function() { return Math.round(Math.random())-0.5; });
+		},
         /**
          * Returns the Actor at the iPosition(th) position.
          * @param iPosition an integer indicating the position array.
@@ -2393,6 +2419,12 @@
                     cl.splice( index, 0, nActor[0] );
                 }
             }
+        },
+		setRandomZOrder : function() {
+			var cl = this.childrenList;
+			for(var i=0;i<cl.length;i++) {
+				this.setZOrder(cl[i],Math.floor(Math.random() * (cl.length - 0 + 1) + 0));
+			}
         }
 	};
 /*
diff --git a/src/model/audio.js b/src/model/audio.js
index 56329245..117bbdbd 100644
--- a/src/model/audio.js
+++ b/src/model/audio.js
@@ -280,7 +280,7 @@
          * @param id {object} an object identifying a sound in the sound cache.
          * @return this.
          */
-        play : function( id ) {
+        play : function( id, callback ) {
             if ( !this.fxEnabled ) {
                 return this;
             }
@@ -291,6 +291,9 @@
                 var channel= this.channels.shift();
                 channel.src= audio.src;
                 channel.load();
+				channel.addEventListener('ended', function() {
+					if(typeof(callback) === "function") callback();
+				});
                 channel.volume= audio.volume;
                 channel.play();
                 this.workingChannels.push(channel);
diff --git a/src/model/director.js b/src/model/director.js
index 0404a9e5..3d794ea7 100644
--- a/src/model/director.js
+++ b/src/model/director.js
@@ -1320,8 +1320,8 @@
          * Plays the audio instance identified by the id.
          * @param id {object} the object used to store a sound in the audioCache.
          */
-        audioPlay : function(id) {
-            this.audioManager.play(id);
+        audioPlay : function(id,callback) {
+            this.audioManager.play(id,callback);
         },
         /**
          * Loops an audio instance identified by the id.