function showcal()
{
window.open ('calendar/index.php', 'Calendrier', config='height=600, width=720, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no')
}

function showcal_admin()
{
window.open ('../calendar/index.php', 'Calendrier', config='height=600, width=720, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no')
}