$form->addInput(array('type'=>'checkbox','name'=>'charts','value'=>$cl_charts));
$form->addInput(array('type'=>'checkbox','name'=>'clients','value'=>$cl_clients,'onchange'=>'handlePluginCheckboxes()'));
$form->addInput(array('type'=>'checkbox','name'=>'client_required','value'=>$cl_client_required));
$form->addInput(array('type'=>'checkbox','name'=>'charts','value'=>$cl_charts));
$form->addInput(array('type'=>'checkbox','name'=>'clients','value'=>$cl_clients,'onchange'=>'handlePluginCheckboxes()'));
$form->addInput(array('type'=>'checkbox','name'=>'client_required','value'=>$cl_client_required));