function Cerca(){
one_check = 0;

if (document.form1.tx_cerca.value == "" && one_check == 0){
first_check = "tx_cerca";
one_check = 1;
}

if (document.form1.tx_cerca.value == "Cerca nel sito" && one_check == 0){
first_check = "tx_cerca";
one_check = 1;
}

if (one_check == 0){
document.form1.HdnFnc.value = 3;
document.form1.submit();
}
	else{
	document.form1[first_check].focus();
	document.form1[first_check].value='';
	}
}

function CheckNewsletter(){
one_check = 0;
if (checkMail("tx_newsletter") == false && one_check == 0){
first_check = "tx_newsletter";
one_check = 1;
}

if (one_check == 0){
document.form1.HdnFnc.value = 1;
document.form1.submit();
}
	else{
	document.form1[first_check].focus();
	}
}

function sendmail(){
one_check = 0;

if (document.form1.txtName.value == "" && one_check == 0){
first_check = "txtName";
one_check = 1;
}

if (document.form1.txtLastName.value == "" && one_check == 0){
first_check = "txtLastName";
one_check = 1;
}

if (checkMail("txtEmail") == false && one_check == 0){
first_check = "txtEmail";
one_check = 1;
}

if (document.form1.txMsg.value == "" && one_check == 0){
first_check = "txMsg";
one_check = 1;
}

if (one_check == 0){
document.form1.HdnFnc.value = 2;
document.form1.submit();
}
else{
	if (first_check != "accetta[0]"){
	document.form1[first_check].focus();
	}
}
}

function pagenav(page){
document.form1.page.value = page;
document.form1.submit();
}


function checkMail(InputData){
Mail = document.form1[InputData].value;
var mailRet = false;
	Filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
  	if (Filtro.test(Mail)){
	mailRet = true;}
return mailRet;}


function keyControl(){
	if( (event.keyCode < 48) || (event.keyCode > 57 ) ){
		event.keyCode = "".charCodeAt(0);
	}
}

function popup(id){
width = (screen.width - 700)/2;
height = (screen.height - 500)/2;
win = window.open('photos.asp?photo_id=' + id,'popup','width=700,height=500,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,copyhistory=no,resizable=no,screenX='+width+',screenY='+height+',top='+height+',left='+width+'');
win.focus();
}