function sendMail(){
	var sendingMail = 1;
	if ( !emailCheck(document.getElementById('email').value) ) { document.getElementById('email').className = 'inputError'; sendingMail = 0 } else { document.getElementById('email').className = 'inputok'; }

	if (sendingMail == 1) {
		var ajax = new sack();
		function whenLoading(){ }
		function whenCompleted(){
			alert("Thanks for your submission. You'll receive our a-periodical newsletter.");
			document.getElementById('email').value = '';
			//pageTracker._trackPageview("/form-contatto");
		}
		ajax.encVar("email", document.getElementById('email').value);

		ajax.encVar("action", "MAIL");
		ajax.requestFile = "lib/form/proxy.php";
		ajax.method = "POST";
		ajax.onCompletion = whenCompleted;
		ajax.runAJAX();
	}
}


function emailCheck (emailStr) {

	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false
	}

	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
		return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			return false
			}
		}
		return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		return false
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 ||
		domArr[domArr.length-1].length>3) {
	   return false
	}

	if (len<2) {
	  return false
	}

return true;
}