rem: this.vtable = createInstance("component: 
add: this.vtable = createInstance("@mozilla.org/xpcom/leakdetector;1", "nsILeakDetector"); 
context: function LeakDetector(verbose){    this.verbose = verbose;    try {	    this.vtable = createInstance("component://netscape/xpcom/leakdetector", "nsILeakDetector");	} catch (err) {	}}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6cc70ebd6c97bd0b2fe48c31f579e855387ced9d/navigator.js/clean/xpfe/browser/resources/content/navigator.js