rem: return this.sortables.detect(function(s) { return s.element == element }); 
add: p = p.map( function(v) { return Math.round(v/this.options.snap)*this.options.snap }.bind(this)) 
context:     return this.sortables.detect(function(s) { return s.element == element });
meta: 6359	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6359/52d313976f72b3f30c833a7675d476a595bc284d/dragdrop.js/buggy/web/js/dragdrop.js