var limit=0;

function loadModelli() { 
	
	var xmldoc = xmlhttp.responseXML; 
	
	var modello = xmldoc.getElementsByTagName('modello'); 
   	
	if(xmlhttp.readyState==4){
	
	svuota();
	
	myselect = document.getElementById("modello");
	
		for(var i = 0; i < modello.length; ++i){
			
			try{
				option = document.createElement("option");
				option.setAttribute('value',modello[i].firstChild.nodeValue);
				option.appendChild(document.createTextNode(modello[i].firstChild.nodeValue));
				myselect.appendChild(option);
			}catch(e){
				
			}
		}
	
	}
}



function svuota(){
	
	num_option=document.getElementById('modello').options.length;
	
	for(a = num_option; a > 0; a--){
		document.getElementById('modello').options[a]=null;
	}
}

function onChangeMarca(currentValue){
	
	option=document.getElementById('tipologia').selectedIndex;
	tipologia=document.getElementById('tipologia').options[option].value;
	
	loadXMLDoc("../php/data.php?idmarca="+currentValue+"&t="+tipologia,"loadModelli");
}

function onChangeTipologia(tipologia){
	
	option=document.getElementById('marca');
	
	if(option.selectedIndex)
		loadXMLDoc("../php/data.php?idmarca="+option.options[option.selectedIndex].value+"&t="+tipologia,"loadModelli");
}

function setNews(){
	
	var xmldoc = xmlhttp.responseXML; 
	
	var nomeNews = xmldoc.getElementsByTagName('title');
	var descrizione = xmldoc.getElementsByTagName('description'); 
	var date = xmldoc.getElementsByTagName('pubDate');
	
	/*-----------------------------
		DIV Opacity effect only IE
	-----------------------------*/
	myWork.hide();
	
	if(xmlhttp.readyState==4){
		
		try{
			
			if(nomeNews.length > 0){
	
				/*-----------------------------
					Inserisco i contenuti RSS
				-----------------------------*/
		
				document.getElementById('newstitolo').innerHTML = nomeNews[1].firstChild.nodeValue;
				document.getElementById('newsdescription').innerHTML = descrizione[1].firstChild.nodeValue;
				document.getElementById('newsdata').innerHTML = date[0].firstChild.nodeValue;
			
				limit++;
			
		
			}
		}
		catch(e){
			clearTimeout();
			limit=0;
		}
		
		/*-----------------------------
			DIV Opacity effect
		-----------------------------*/
	
		myWork.custom(0,1.0);
		
		
	}
}

function loadNews(){
	
	myWork = new fx.Opacity('info', {duration: 1000});
	
	loadXMLDoc('../feed/data.php?limit='+limit,'setNews')
	setTimeout("loadNews()",7000);
}