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diff --git a/js/dojo-1.7.2/dojox/fx/ext-dojo/reverse.js b/js/dojo-1.7.2/dojox/fx/ext-dojo/reverse.js
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+++ b/js/dojo-1.7.2/dojox/fx/ext-dojo/reverse.js
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+//>>built
+define("dojox/fx/ext-dojo/reverse", ["dojo/_base/fx",
+		"dojo/fx",
+		"dojo/_base/lang", 
+		"dojo/fx/easing",
+		"dojox/fx"],
+	function(baseFx, coreFx, lang, easingUtil, dojoxFx){ //
+/*===== var dojox.fx.ext-dojo.=====*/
+var reverseApi = {
+	// summary:
+	//		A dojo.Animation extension that enables an easy reversal.
+	//	description:
+	//		To use, simply require dojox.fx.ext-dojo.reverse and a reverse()
+	//		method will be added to all dojo.Animations.
+	//		It can be used at any time during the animation. It does not
+	//		need to be called when it ends. It also reverses the easing -
+	//		if dojo.fx.easing.quadIn is used, dojo.fx.easing.quadOut will
+	//		be used when animating backwards.
+	//
+	_reversed: false,
+	reverse: function(/*Boolean*/keepPaused, /*Function ? */reverseEase){
+		// summary:
+		// 		The key method added to an animation to enable reversal.
+		// 	keepPaused: Boolean
+		// 		By default, calling reverse() will play the animation if
+		// 		it was paused. Pass in true to keep it paused (will have
+		// 		no effect if reverse is called while animation is playing).
+		// 	reverseEase: Function
+		// 		A function to use for the reverse easing. This allows for
+		// 		the possibility of custom eases that are not in the dojo.fx
+		// 		library.
+		//
+		var playing = this.status() == "playing";
+		this.pause();
+		this._reversed = !this._reversed;
+		var d = this.duration,
+			sofar = d * this._percent,
+			togo = d - sofar,
+			curr = new Date().valueOf(),
+			cp = this.curve._properties,
+			p = this.properties,
+			nm
+		;
+		this._endTime = curr + sofar;
+		this._startTime = curr - togo;
+		
+		if(playing){
+			this.gotoPercent(togo / d)
+		}
+		for(nm in p){
+			var tmp = p[nm].start;
+			p[nm].start = cp[nm].start = p[nm].end;
+			p[nm].end = cp[nm].end = tmp;
+		}
+		
+		if(this._reversed){
+			if(!this.rEase){
+				this.fEase = this.easing;
+				if(reverseEase){
+					this.rEase = reverseEase;
+				}else{
+					// loop through dojo.fx.easing to find the matching ease
+					var de = easingUtil, found, eName;
+					for(nm in de){
+						if(this.easing == de[nm]){
+							// get ease's name
+							found = nm; break;
+						}
+					}
+					
+					if(found){
+						// find ease's opposite
+						if(/InOut/.test(nm) || !/In|Out/i.test(nm)){
+							this.rEase = this.easing;
+						}else if(/In/.test(nm)){
+							eName = nm.replace("In", "Out");
+						}else{
+							eName = nm.replace("Out", "In");
+						}
+						if(eName){
+							this.rEase = easingUtil[eName];
+						}
+					}else{
+						// default ease, and other's like linear do not have an opposite
+						console.info("ease function to reverse not found");
+						this.rEase = this.easing;
+					}
+				}
+				
+			}
+			this.easing = this.rEase;
+		}else{
+			this.easing = this.fEase;
+		}
+		if(!keepPaused && this.status() != "playing"){
+			this.play();
+		}
+		
+		return this;
+	}
+};
+lang.extend( baseFx.Animation, reverseApi);
+return baseFx.Animation;
+});
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