/**
 * Runs the procedure for rendering a modal view to the screen
 *
 * @param Company_Module_Block_* block
 * @return void
 * @author Dan Hanly
 **/
public function renderModal($block)
{
    $this->loadLayout();
    $this->_addContent($block);
    $this->renderLayout();
}

$this->loadLayout();

$this->loadLayout('popup');

$this->getLayout()->unsetBlock('footer');