comparison core.js @ 1735:50297ebb1c41

Fixed Bug 1204: Multiple clicks creates multiple instances.

 		this.bufferNode.loop = audioEngineContext.loopPlayback;
 		this.bufferNode.start(startTime);
 	};
 	
 	this.stop = function() {
-		this.bufferNode.stop(0);
-		this.bufferNode = undefined;
+		if (this.bufferNode != undefined)
+		{
+			this.bufferNode.stop(0);
+			this.bufferNode = undefined;
+		}
 	};
 
 	this.constructTrack = function(url) {
 		var request = new XMLHttpRequest();
 		this.url = url;