function led(id, src){
		document.getElementById(id).src=src;
}

function openWindow(nome, url, w, h, scorrimento, status, resizable) {
	var win = null;
	var pagina, nome, LeftPosition, TopPosition, settings;
	nome=nome;
	// scorrimento [yes | no]
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h-(screen.width*5/100))/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scorrimento+', resizable=' +resizable+', status=' +status;
	win = window.open(url,nome,settings);
}