/**
  * Returns the add class to track form.
  *
  * @return string HTML for the form.
  */
 function get_add_form($trackid)
 {
     $output = '';
     $trkassign = new trackassignmentclass(array('trackid' => $trackid));
     $bc = '<span class="breadcrumb"><a href="index.php?s=trkcls&amp;section=curr">Manage track association</a> ' . '&raquo; Adding a new track</span>';
     $output .= cm_print_heading_block($bc, '', true);
     $output .= '<br clear="all" />' . "\n";
     $output .= '<form method="post" action="index.php?s=trkcls&amp;section=curr&amp;trackid=' . $trackid . '" >' . "\n";
     $output .= '<input type="hidden" name="action" value="savenew" />' . "\n";
     $output .= '<input type="hidden" name="trackid" value="' . $trackid . '" />' . "\n";
     $output .= $trkassign->edit_form_html();
     $output .= '<input type="submit" value="' . get_string('save', 'block_curr_admin') . '">' . "\n";
     $output .= '</form>' . "\n";
     return $output;
 }