rem: this.cache[topContentWindow] = insertion; this.logger.log(2, "Cached element: "+topContentWindow.location); 
add: topContentWindow.ghetto_guid = Math.random().toString()+Math.random().toString(); this.cache[topContentWindow.ghetto_guid] = insertion; 
context:   addCache: function(topContentWindow, browser) {      var insertion = new Object();      insertion.browser = browser;      insertion.time = Date.now();      this.cache[topContentWindow] = insertion;       this.logger.log(2, "Cached element: "+topContentWindow.location);  },
meta: 3444	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3444/075ae96be6f07cf1e4bf5bced6ef7911350096f3/window-mapper.js/clean/src/components/window-mapper.js