function openCalendar()
{
  window.open('PopupCalendar.aspx?textbox=tbMyDate','cal','width=220,height=200,left=270,top=180')
}

function openCalendar2()
{
  window.open('PopupCalendar2.aspx?textbox=tbMyDate2','cal','width=220,height=200,left=270,top=180')
}
function mio()
{
document.getElementById('mappa').src = "grafica/come_arrivare_mappa2.gif";
document.getElementById('mappa').width = "251";
document.getElementById('mappa').height = "326";
}