rem: if(drop.hoverclass) Element.Class.remove(drop.element, drop.hoverclass); 
add: Element.Class.remove(drop.element, drop.hoverclass); 
context:   deactivate: function(drop) {    if(drop.hoverclass)      Element.Class.remove(drop.element, drop.hoverclass);    this.last_active = null;  },
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/57687341792749db94b850962ee7ed7f18e1087d/dragdrop.js/clean/manager/media/script/scriptaculous/dragdrop.js