function subsscribe() {
		var email=document.getElementById("email").value;
		if ((email==null)||(email=="")){
			document.getElementById("email_err").style.color="red";
			document.getElementById("msg").innerHTML="<font color=#FFFFFF>Fornire indirizzo email valido</font>";
			return false
		}
		if (echeck(email)==false){			
			document.getElementById("email_err").style.color="red";
			document.getElementById("msg").innerHTML="<font color=#FFFFFF>Fornire indirizzo email valido </font>";
		}
		else
		{
			document.getElementById("msg").innerHTML="<img src='images/load.gif' width='24' height='24' border='0' />";
			if(window.XMLHttpRequest)
			{
				req = new XMLHttpRequest();
			}
			if(window.ActiveXObject)
			{
				req = new ActiveXObject("Microsoft.XMLHTTP");
			}
			
				if(req)
				{
					req.onreadystatechange=ProcessRequest1;
					req.open("GET","newsletter_subsciption.php?email="+email,true);
					req.send(null);	
				}
				return false;
			}	
		}	
		
	function ProcessRequest1()
	{
		if(req.readyState==4)
		{
			if(req.status==200)
			{
				document.getElementById("msg").innerHTML="";
				document.getElementById("email_err").style.color="#DDEEFF";
				document.getElementById("msg").innerHTML=req.responseText;
			}
		}
	}
	
	function res() {
		document.getElementById("email").value="";
	}
	
	
	function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	     return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){	 
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		return false
	 }

	 return true					
}