rem: this.last_active.onDrop(element, this.last_active); 
add: this.last_active.onDrop(element, this.last_active.element); 
context:   fire: function(event, element) {    if(!this.last_active) return;    Position.prepare();    if (this.isAffected(Event.pointerX(event), Event.pointerY(event), element, this.last_active))      if (this.last_active.onDrop)         this.last_active.onDrop(element, this.last_active);  },
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/fa15ef3f30aa0fb2e99429f330a7bd78ce7fb145/dragdrop.js/clean/src/dragdrop.js