inline void cBook::setContent( const QMap<int, QString>& data )	{ this->content_ = data; changed( SAVE ); }
inline void cBook::setContent( const QStringList& data )	{ this->content_ = data; changed( SAVE ); }
inline void cBook::setContent( const QMap<int, QString>& data )	{ this->content_ = data; changed( SAVE ); }