rem: GtkWidget *widget;  widget = glade_xml_get_widget (totem->xml, "tstw_skip_spinbutton"); gtk_spin_button_set_range (GTK_SPIN_BUTTON (widget), 0, (gdouble) time / 1000);
add: if (totem->skipto != NULL) totem_skipto_update_range (totem->skipto, time);
context: update_skip_to (Totem *totem, gint64 time){	GtkWidget *widget;	widget = glade_xml_get_widget (totem->xml, "tstw_skip_spinbutton");	gtk_spin_button_set_range (GTK_SPIN_BUTTON (widget),			0, (gdouble) time / 1000);}