function adjust_sort(type) {
	var old_order = document.idx_search_form.order.value;
	document.idx_search_form.order.value=type;

	if(old_order == type) {
		if(document.idx_search_form.direc.value == 'asc')
			document.idx_search_form.direc.value = 'desc';
		else
			document.idx_search_form.direc.value = 'asc';
	}

	document.idx_search_form.submit();
}