<!--

var reqC;

function trovaMarche() {
	var idx = document.getElementById("idc").selectedIndex;
	var selected = document.getElementById("idc").options[idx].value;
	if(selected == '6') {
		rimuoviOpzioni(document.getElementById("idm"));
		document.getElementById("idm").options[0].text = 'Tutte le marche';
	}
	else
		caricaXMLMarche('http://www.tuttoautousato.it/xml_marche.asp?id=' + selected);
}

function rimuoviOpzioni(lista) {
	var k = lista.options.length - 1;
	for(var i = 0; i < k; i++)
		lista.options[1] = null;
}

function caricaXMLMarche(url) {
	if (window.XMLHttpRequest) {
		reqC = new XMLHttpRequest();
		reqC.onreadystatechange = processReqChange;
		reqC.open("GET", url, true);
		reqC.send(null);
	} else if (window.ActiveXObject) {
		reqC = new ActiveXObject("Microsoft.XMLHTTP");
		if (reqC) {
		    reqC.onreadystatechange = processReqChange;
		    reqC.open("GET", url, true);
		    reqC.send();
		}
	}
}

function processReqChange() {
	if (reqC.readyState == 4) {
		if (reqC.status == 200) {
			var s = document.getElementById("idm");
			s.options[0].text = 'Caricamento...';
			rimuoviOpzioni(s);
			var root = reqC.responseXML.getDocumentElement;
			var marche = reqC.responseXML.getElementsByTagName("marca");
			for(var i = 0; i < marche.length; i++) {
				var marca = marche.item(i);
				var idmarca = marca.getElementsByTagName("idmarca")[0].childNodes[0].nodeValue;
				var nome = marca.getElementsByTagName("nome")[0].childNodes[0].nodeValue;
				s.options[s.options.length] = new Option(nome, idmarca);
			}
			s.options[0].text = 'Scegli...';
		}
	}
}



-->