function credits() {
	w = 395;
	h = 620;
	l = (screen.width / 2) - w / 2;
	t = 10;
	window.open('http://www.parrella.it/','parrella','toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+w+',height='+h+',left='+l+',top='+t+'');
}

function webmail() {
	w = 380;
	h = 130;
	l = (screen.width / 2) - w / 2;
	t = 10;
	window.open('/webmail.asp','utenti','toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+w+',height='+h+',left='+l+',top='+t+'');
}