<INPUT TYPE="hidden" NAME="classnum" VALUE="$classnum">
<INPUT TYPE="hidden" NAME="avail" VALUE="! .$cgi->param('avail') . '">', #'
'html_foot' => $sub_foot,
<INPUT TYPE="hidden" NAME="classnum" VALUE="$classnum">
<INPUT TYPE="hidden" NAME="avail" VALUE="! .$cgi->param('avail') . '">', #'
'html_foot' => $sub_foot,