QuickForm

Hi I want to add Dynamic IDs to the TR elements of the form so I can add some effects to them I have this in my custom render Has anyone got any good nuggets of information to do this or best practices Cheers Ian public $_elementTemplate = ' <!-- BEGIN error --> <tr> <td colspan="3"> <span class="text_red">{error}</span> </td> </tr> <!-- END error --> <tr> <th width="150px"> <!-- BEGIN label_2 -->{label_2}<!-- END label_2 --> <!-- BEGIN required --><span class="text_red">*</span><!-- END required --> {label} </th> <td> {element} </td> </tr>';