var xmlhttp = assegnaXMLHttpRequest();

function GetModelli(id_marca){
	if(id_marca == '-2'){
		document.getElementById('selectModelli').innerHTML='';
		document.getElementById('ajaxableTd1').style.display='none';
		document.getElementById('ajaxableTd2').style.display='none';
	}else{
		if(xmlhttp) {
			xmlhttp.open ("GET", "/ycbin_inc/getModelli.asp?tipo=1&firma=" +id_marca,true);
			xmlhttp.setRequestHeader("connection", "close");
			xmlhttp.send(null);	
		}
		xmlhttp.onreadystatechange = function() {
		  if(xmlhttp.readyState === 4) {
			  if(xmlhttp.status == 200){
				document.getElementById('selectModelli').innerHTML=xmlhttp.responseText;
				document.getElementById('ajaxableTd1').style.display='table-cell';
				document.getElementById('ajaxableTd2').style.display='table-cell';
			  }
		  }
		} 
	}
}

function GetRegioni(id_nazione, suffix){
	if(id_nazione==-2){
		document.getElementById('selectRegioni').innerHTML='';
		document.getElementById('selectProvincieLabel').style.display='none';
		document.getElementById('selectProvincie').style.display='none';
		document.getElementById('ajaxable1').style.display='none';
		document.getElementById('ajaxable2').style.display='none';
	}else{
		if(xmlhttp) {
			xmlhttp.open ("GET", "/ycbin_inc/getModelli.asp?tipo=2&nazione=" +id_nazione +"&suffix="+suffix,true);
			xmlhttp.setRequestHeader("connection", "close");
			xmlhttp.send(null);	
		}
		xmlhttp.onreadystatechange = function() {
		  if(xmlhttp.readyState === 4) {
			  if(xmlhttp.status == 200){
				document.getElementById('selectRegioni').innerHTML=xmlhttp.responseText;
				document.getElementById('selectProvincieLabel').style.display='none';
				document.getElementById('selectProvincie').style.display='none';
				document.getElementById('ajaxable1').style.display='table-row';
				document.getElementById('ajaxable2').style.display='table-row';
			  }
		  }
		} 
	}
}

function GetProvincie(id_regione, suffix){
	if(id_regione==-2){
		document.getElementById('selectProvincie').innerHTML='';
		document.getElementById('selectProvincieLabel').style.display='none';
		document.getElementById('selectProvincie').style.display='none';
	}else{
		
		if(xmlhttp) {
			xmlhttp.open ("GET", "/ycbin_inc/getModelli.asp?tipo=3&regione=" +id_regione +"&suffix="+suffix,true);
			xmlhttp.setRequestHeader("connection", "close");
			xmlhttp.send(null);	
		}
		xmlhttp.onreadystatechange = function() {
		  if(xmlhttp.readyState === 4) {
			  if(xmlhttp.status == 200){
				document.getElementById('selectProvincie').innerHTML=xmlhttp.responseText;
				document.getElementById('selectProvincieLabel').style.display='table-cell';
				document.getElementById('selectProvincie').style.display='table-cell';
			  }
		  }
		} 
	}
}

function ControllaFormRicercaAvanzata(){
	if(document.getElementById('selectFirma').value=='-2' && document.getElementById('selecCategoria').value=='-2'){
		alert("Devi selezionare una marca o una categoria!");
		return 'false';
	}
	return true;
}