rem: Event.stopObserving(document, "mouseup", this.eventMouseUp); Event.stopObserving(document, "mousemove", this.eventMouseMove); Event.stopObserving(document, "keypress", this.eventKeypress); 
add: this.unregisterEvents(); 
context:   destroy: function() {    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);    Event.stopObserving(document, "mouseup", this.eventMouseUp);    Event.stopObserving(document, "mousemove", this.eventMouseMove);    Event.stopObserving(document, "keypress", this.eventKeypress);  },
meta: 3283	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3283/9867ca01ad65827d23c0bf6cc14d8a64137e927d/dragdrop.js/buggy/tracks/public/javascripts/dragdrop.js