function plan()
{
window.open("http://www.proximedia.com/Google/GoogleMap.asp?MapId=12084&Langue=FR&Options=100%25x100%25", "Plan", "toolbar=no, location=no, directories=no, status=yes, scrollbars=yes, resizable=yes, copyhistory=no, width=730, height=500, left=50, top=50");
}