rem: p = p.map( function(v) { return Math.round(v/this.options.snap)*this.options.snap }.bind(this)) 
add: p = p.map( function(v, i) { return Math.round(v/this.options.snap[i])*this.options.snap[i] }.bind(this)) 
context:         p = p.map( function(v) {          return Math.round(v/this.options.snap)*this.options.snap }.bind(this))
meta: 6601	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6601/28b3187d07d97712c23182569a4d6fd00900b5f7/dragdrop.js/buggy/javascript/script.aculo.us/dragdrop.js