function  FORMNEWSLETTER()
{
	if (document.NewLetter.EmailNewsletter=="")
		{
		alert("Inserisci email ! ");
		document.NewLetter.EmailNewsletter.value="";
		document.NewLetter.EmailNewsletter.focus();
		return false;
		}
	if (document.NewLetter.EmailNewsletter.value.indexOf("@") == -1)
	   {
	   alert("Email non valida ! ");
	   document.NewLetter.EmailNewsletter.value="";
	   document.NewLetter.EmailNewsletter.focus(); 
	              
	   return false;
	   }
	if (document.NewLetter.EmailNewsletter.value.indexOf(".") == -1)
	   {
	   alert("Email non valida ! ");
	   document.NewLetter.EmailNewsletter.value="";
	   document.NewLetter.EmailNewsletter.focus();         
	   return false;
	   } 
	

valemailnewsletter = document.NewLetter.EmailNewsletter.value;		

	
if (window.XMLHttpRequest) 
		{
		ricerca_pro = new XMLHttpRequest();
		ricerca_pro.onreadystatechange = ricevinewletter;
		ricerca_pro.open("GET", "default.asp?PagePart=Newsletter&StrEmail="+valemailnewsletter,true);
		ricerca_pro.send(null);
		document.getElementById("ContentDue-Service-Newsletter-Form-Request").innerHTML = "<img src='img/loading.gif' width='16' height='16'/>"
		// per IE 
		} 
	else if (window.ActiveXObject)
	{
		ricerca_pro = new ActiveXObject("Microsoft.XMLHTTP");
			if (ricerca_pro) 
			{
			ricerca_pro.onreadystatechange = ricevinewletter;
		    ricerca_pro.open("GET", "default.asp?PagePart=Newsletter&StrEmail="+valemailnewsletter,true);
			ricerca_pro.send();
			document.getElementById("ContentDue-Service-Newsletter-Form-Request").innerHTML = "<img src='img/loading.gif' width='16' height='16'/>"
			}
	}
	
}
  function ricevinewletter() {   
	var strRes;       
	var arrValori;      
	  if (ricerca_pro.readyState == 4 && ricerca_pro.status == 200) {	    
		  strRes=ricerca_pro.responseText;		  
		if (strRes==0){	    		
			
			document.getElementById("ContentDue-Service-Newsletter-Form-Request").innerHTML = "Email presente nei nostri archivi."
			return false;		
					
			}else 
			//alert("libero")
		    document.getElementById("ContentDue-Service-Newsletter-Form-Request").innerHTML = "Grazie per esserti registrato."
			 //alert("occupato")
			
					 
		 }
	}