function update_delete_buttons () {
	var delete_buttons = $$('.remove_from_list');
	if (delete_buttons) {
		if (delete_buttons.length == 1) {
			$$('.remove_from_list').invoke('hide');
		} else {
			$$('.remove_from_list').invoke('show');
		};
	};
}

function removeProduct(dom_id) {
	$(dom_id).remove();
	var id = dom_id.gsub(/product_/, '');
	showProduct(id);
	update_delete_buttons();
}

function showProduct (id) {
	var product = $('termin_link_'+id)
	if (product)
		product.show();
}