function domainStatus() {
	if (document.all) {
		var domain = document.all["domain"].value;
		var ext = document.all["ext"].value;
		document.all["domainSts"].src = 'http://www.sitovetrina.eu/images/domain_standby.jpg';
    } else {
		var domain = document.getElementById("domain").value;
		var ext = document.getElementById("ext").value;
		document.getElementById("domainSts").src = 'http://www.sitovetrina.eu/images/domain_standby.jpg';
    }

	var validExp = new RegExp("^([-_a-zA-Z0-9\.]{2,100})$");
	if (!validExp.test(domain)) { // Verifica stringa
		alert("Dominio non valido");
		return false;	
	} else { // Verifica stringa
		
		// Ajax Request
		var xmlHttp;
		try {  // Firefox, Opera 8.0+, Safari
			xmlHttp=new XMLHttpRequest();  
		}
		catch (e) {  // Internet Explorer  
			try {   
				xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");    
			}
			catch (e) {
				try {
					xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				}
				catch (e) {
					alert("Il tuo browser non supporta AJAX!");
					return false;
				}
			}
		}
	
		//Richiama la pagina con le azioni
		var randId = 999 + Math.floor(Math.random()*(99999-999)); //Id per ingannare la cache di IE 6/7/8
	
		xmlHttp.open("GET","http://www.sitovetrina.eu/functions/whois.php?domain="+domain+"&ext="+ext+"&id="+randId,true);
		xmlHttp.send(null);
	
		xmlHttp.onreadystatechange=function() {
			if(xmlHttp.readyState==4)
			{
				if (xmlHttp.responseText=='' || xmlHttp.responseText==null) {
				} else {

					//alert(xmlHttp.responseText);
					if (xmlHttp.responseText=='libero') {
						statusImage = 'domain_free.jpg';
					} else if (xmlHttp.responseText=='registrato') {
						statusImage = 'domain_registered.jpg';
					} else {
						statusImage = 'domain_registered.jpg';
					}
					
					if (document.all) {
						document.all["domainSts"].src = 'http://www.sitovetrina.eu/images/' + statusImage;
					} else {
						document.getElementById("domainSts").src = 'http://www.sitovetrina.eu/images/' + statusImage;
					}

				}
			}
		} // End Ajax request

	} // Verifica stringa
} // End funzione domainStatus()