_cacheSize+=_resource.length();
_cachedSize+=_buffer.length();
        void cache(String pathInContext)        {            _key=pathInContext;            _next=_mostRecentlyUsed;            _mostRecentlyUsed=this;            if (_next!=null)                _next._prev=this;            _prev=null;            if (_leastRecentlyUsed==null)                _leastRecentlyUsed=this;            _cache.put(_key,this);            _cacheSize+=_resource.length();            _cachedFiles++;            if (_lastModified!=-1)                _lastModifiedBytes=new ByteArrayBuffer(HttpFields.formatDate(_lastModified,false));        }