rem: this.getNext = function () { return this._contents[this._index++]; }; 
add: getNext: function () { return this._contents[this._index++]; }, 
context:   this.getNext = function ()  {    return this._contents[this._index++];        };
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/cb999d2544f78772e598c41f41b188d06a3e9d1b/helperApps.js/clean/toolkit/mozapps/downloads/content/helperApps.js