rem: this.sortables.findAll(function(s) { return s.element == element }).each(function(s){ Draggables.removeObserver(s.element); s.droppables.each(function(d){ Droppables.remove(d) }); s.draggables.invoke('destroy'); }); 
add: this.observers = this.observers.reject( function(o) { return o.element==element }); 
context:     this.sortables.findAll(function(s) { return s.element == element }).each(function(s){      Draggables.removeObserver(s.element);      s.droppables.each(function(d){ Droppables.remove(d) });      s.draggables.invoke('destroy');    });
meta: 3974	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3974/af9adbf17404d887f31369756326b0109da7ae2b/dragdrop.js/buggy/root/static/js/dragdrop.js