rem: cacheService.Clear( 12 ); 
add: cacheService.clear( 12 ); 
context: function prefClearDiskCache(){	dump("prefClearDiskCache \n");	var cache = Components.classes['component://netscape/network/cache?name=manager'].getService();  var	cacheService = cache.QueryInterface( Components.interfaces.nsINetDataCacheManager);	cacheService.Clear( 12 );}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/bde71a9fe816f16d85bc52f42e8e0c30e8bfe119/pref-cache.js/buggy/xpfe/components/prefwindow/resources/content/pref-cache.js