gtk_label_set_text (GTK_LABEL (ev_sidebar->priv->label), label_title);
gtk_notebook_set_current_page (GTK_NOTEBOOK (ev_sidebar->priv->notebook),
index);
gtk_label_set_text (GTK_LABEL (ev_sidebar->priv->label), label_title);
gtk_notebook_set_current_page (GTK_NOTEBOOK (ev_sidebar->priv->notebook),
index);