function updateCompound($compound_id, $column, $value)
{
    //FUTURE IMPLEMENTATION
    $c = new compound();
    $c->read($compound_id);
    $c->validate();
    if ($column == 'name') {
        $c->update($column, 'name', $value);
    } elseif ($column == 'metric') {
        $c->update($column, 'metric', $value);
    } elseif ($column == 'value') {
        $c->update($column, 'value', $value);
    } else {
        return false;
    }
    $arr = array('selector' => '#updated', 'content' => array('id' => $compound_id, 'column' => $column, 'value' => $value));
    echo json_encode($arr);
}