function search_town()
{
	if ($F('regio') != 'none')
	{
		var url			= '/php/town_query.php';
		var pars		= 'regioID=' + $F('regio');
		valami 			= new Ajax.Request( url, { method: 'get', parameters: pars, onComplete: upload_town });
	}
	else
	{
		//town_disabled();
	}
}

function town_disabled()
{
	$('town').disabled = true;
	$('town').options.length = 0;
	$('town').options[0] = new Option('válasszon...','none');
}

function getNodeValue(obj,tag,subtag_nuber) {
    return obj.getElementsByTagName(tag)[subtag_nuber].firstChild.nodeValue;
}

function getNodeLenght(obj,tag) {
    return obj.getElementsByTagName(tag).length;
}

function upload_town(originalRequest)
{
document.forms['kereso'].telepules.options.length = 0;

	for (i=0;i<originalRequest.responseXML.getElementsByTagName("town").length;i++)
	{
	$('telepules').options[i] =new Option(getNodeValue(originalRequest.responseXML,"town",i),getNodeValue(originalRequest.responseXML,"town",i));
	}
//	$('telepules').disabled = false;",3);
//alert(a);



}