/**
  * Create a new page anchor
  * @param string $label label for the anchor
  * @param string $class style class for the anchor
  * @param int $page page number to link to
  * @return zibo\library\html\Anchor
  */
 private function createAnchor($label, $class, $page)
 {
     $anchor = new Anchor($label);
     if ($this->onclick) {
         $anchor->setAttribute('onclick', str_replace('%page%', $page, $this->onclick));
     }
     if ($this->href) {
         $anchor->setAttribute('href', str_replace('%page%', $page, $this->href));
     }
     $anchor->setClass($class);
     return $anchor;
 }