rem: Element.Class.remove(drop.element, drop.hoverclass); 
add: if(drop.hoverclass) Element.removeClassName(drop.element, drop.hoverclass); 
context:   deactivate: function(drop) {    Element.Class.remove(drop.element, drop.hoverclass);    this.last_active = null;  },
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/d29159eae8749c508d01bb447868321a3ba6bbfa/dragdrop.js/buggy/manager/media/script/scriptaculous/dragdrop.js