rem: if ( !option_menu || !GTK_IS_OPTION_MENU ( option_menu ))
add: if ( !option_menu || !GTK_IS_OPTION_MENU ( option_menu ) || !GTK_IS_OBJECT ( GTK_OPTION_MENU ( option_menu ) -> menu_item ))
context: gint recupere_no_compte ( GtkWidget *option_menu ){    gint no_compte;        if ( !option_menu	 ||	 !GTK_IS_OPTION_MENU ( option_menu ))	return -1;    no_compte = GPOINTER_TO_INT ( gtk_object_get_data ( GTK_OBJECT (  GTK_OPTION_MENU ( option_menu ) -> menu_item ),							"no_compte" ));    return no_compte;}