function credits() {
var n=open('/servizi/credits.html','Credits','width=350,height=250,status=yes,menubar=no,scrollbars=no,resizable=yes')
}

function info() {
var n=open('/servizi/info.html','Info','width=350,height=250,status=yes,menubar=no,scrollbars=no,resizable=yes')
}

function newsletter() {
var n=open('/servizi/newsletter.html','Newsletter','width=350,height=250,status=yes,menubar=no,scrollbars=no,resizable=yes')
}

function show() {
x = document.getElementById('concorso');
x.style.display = 'block';
}

function hide() {
x = document.getElementById('concorso');
x.style.display = 'none';
}