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@@ -471,9 +471,9 @@ Track = $.klass({
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     if(this.isOpen != false) this.more.slideDown({duration:300,queue:false});
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     // close all other detail panes except currently playing
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-    for(var track in Track.instances){
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-        if(!Track.instances[track].isPlaying() && this.element != Track.instances[track].element) 
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-          Track.instances[track].closeDetails();
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+    for(var track in this.behavior.instances){
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+        if(!this.behavior.instances[track].isPlaying() && this.element != this.behavior.instances[track].element) 
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+          this.behavior.instances[track].closeDetails();
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     }
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     this.element.addClass('open');
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@@ -544,12 +544,12 @@ Track = $.klass({
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   startNextTrack: function(){
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     this.pause();
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-    Track.instances[this.nextTrackIndex()].playOrResume();
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+    this.behavior.instances[this.nextTrackIndex()].playOrResume();
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   },
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   nextTrackIndex : function(){
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     // index of next Track in Track.instances
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-    var next = Track.instances.indexOf(this) + 1;
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+    var next = this.behavior.instances.indexOf(this) + 1;
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     // loop back to the first track
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     if(this.behavior.instances[next] == undefined) next = 0;
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     return next;