rem: return slices.map(iterator); 
add: return slices.collect(iterator, context); 
context:   eachSlice: function(number, iterator) {    var index = -number, slices = [], array = this.toArray();    while ((index += number) < array.length)      slices.push(array.slice(index, index+number));    return slices.map(iterator);  },
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/prototype.js/buggy/typo3/contrib/prototype/prototype.js