function goMaps(url_prefix) {

	if(!url_prefix) url_prefix = "/" + language + "/maps";

	var url = url_prefix + "/?country_id=" + $("#countries").val();
	if($("#regions").val()) {
		url += "&region_id=" + $("#regions").val();
		if($("#cities").val()) url += "&city_id=" + $("#cities").val();
	}

	document.location.href = url;

	return false;
}