var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<script type="text/javascript">
var pageTracker = _gat._getTracker("UA-269995-1");
pageTracker._initData();
pageTracker._trackPageview();
</script>
<script>
function controlla_email(email) {
	if (email!="") {
		re = /^[0-9a-z]([-_\.]?[0-9a-z])*@[0-9a-z]([-_\.]?[0-9a-z])*\.[a-z]{2,4}$/i;
		if ( re.test(email) ) return true
		return false
	} else return true;
}

function Verificadati(){
	var error = '';
	if (document.meeting.submit_by.value!="") {
		// controllo se la mail inserita &#269; corretta
		ok=controlla_email(document.meeting.submit_by.value);
		if (ok==false) error = error + 'Email non e\' stata inserita correttamente.\n';
	}

	if (error == ''){
		document.meeting.submit();
		return true;
	}else{
		alert(error);
		return false;
	}
}