rem: this.push = function (aElement) { 
add: push: function (aElement) { 
context:   this.push = function (aElement)   {    if (aElement)      this._contents.push(aElement);  };
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/cb999d2544f78772e598c41f41b188d06a3e9d1b/helperApps.js/clean/toolkit/mozapps/downloads/content/helperApps.js