rem: return drop._containers.detect(function(c) { return parentNode == c }); 
add: return drop._containers.detect(function(c) { return containmentNode == c }); 
context:     return drop._containers.detect(function(c) { return parentNode == c });
meta: 2320	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2320/19200c26046dc00f15305e03b7c1d28b4c38c952/dragdrop.js/clean/web/scripts/dragdrop.js