function rsvWindow(studio) {
    var CGI         = '../../../cgi-bin/reservation/bin/rsvmail.cgi';
    var scWidth     = screen.availWidth;
    var scHeight    = screen.availHeight;
    var w           = 700;
    var setw = 'toolbar=yes,location=no,directories=no,'
                +'status=yes,menubar=yes,scrollbars=yes,'
                +'resizable=yes,width=' + (w) +',height=' + (scHeight*0.8) + ',top=0,left=' + ((scWidth-w)/2);

    if (studio == '') {
        var n  = document.studioSelect.studio.selectedIndex;
//      alert(n);
        studio = document.studioSelect.studio.options[n].text;
//      alert(studio);
    }
    var url         =   CGI + '?html=form_select&reset=1&studio=' + studio;
    subWindow = window.open(url, 'reservation', setw);
    subWindow.focus();
}