function openSub(nome){
	if(document.getElementById(nome).style.display == "none") document.getElementById(nome).style.display = "block";
	else document.getElementById(nome).style.display = "none";
}

function apriFotoGallery(idPhoto){
	if(idPhoto!=""){
		winGallery=window.open("showGallery.php?idPhoto=" + idPhoto, "gallery", "left=100, top=80, status=0, resizable=0, directories=0, toolbars=0, menubar=0, scrollbars=1");
		winGallery.focus();
	}
}

function controlloInvio(){
	nomeForm=document.contactform;
	if(nomeForm.nome.value==""){
		alert("inserire il nome");
		nomeForm.nome.focus();
		return;
	}
	if(nomeForm.cognome.value==""){
		alert("inserire il cognome");
		nomeForm.cognome.focus();
		return;
	}
	if(!checkEmailAddress(nomeForm.email)) return;
	nomeForm.submit();
}

var indirizzoEmail;
function checkEmailAddress(field) {

     var goodEmail = field.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
     
     if (goodEmail){
        indirizzoEmail = true
     } 
     else {
        alert('Inserire un indirizzo email valido');
        field.focus();
        field.select();
        indirizzoEmail = false;
        }
  	return indirizzoEmail;
}

function popup(pagina, w, h){
	var left=(screen.width - w)/2;
	var top=(screen.height- h)/2;
	miaFin=window.open(pagina, "info", "width=" + w + ", height=" + h + ", left="+left+", top="+top+", directories=no, location=no, menubar=no, resizable=no, status=no, toolbar=no, scrollbars=no");
	miaFin.focus();
}