rem: return drop._containers.detect(function(c) { return parentNode == c }); 
add: var i = drop._containers_length; do { if(parentNode==containers[i]) return true; } while (i--); return false; 
context:   isContained: function(element, drop) {    var parentNode = element.parentNode;    return drop._containers.detect(function(c) { return parentNode == c });  },
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/57687341792749db94b850962ee7ed7f18e1087d/dragdrop.js/clean/manager/media/script/scriptaculous/dragdrop.js