rem: var cache = Components.classes['component: 
add: var cache = Components.classes['@mozilla.org/network/cache;1?name=manager'].getService(); 
context: function prefClearMemCache(){	dump("prefClearMemCache \n");	var cache = Components.classes['component://netscape/network/cache?name=manager'].getService();  var	cacheService = cache.QueryInterface( Components.interfaces.nsINetDataCacheManager);	cacheService.clear( 2 );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/84a1b71ff51ecb3a8a3cb76858e85a9316dc6d92/pref-cache.js/buggy/suite/common/pref/pref-cache.js