mXSL = parsePath(String(NS_ConvertASCIItoUCS2(filename)), mObserver);
mXSL = parsePath(nsDependentCString(filename), mObserver);
    int loadStylesheet (char * filename)    {        delete mXSL;        mXSL = parsePath(String(NS_ConvertASCIItoUCS2(filename)), mObserver);        return mXSL ? 0 : 1;    }