/**
  * Add the block display type and heading display type to a block
  * 
  * @param object BlockSiteComponent $siteComponent
  * @param object DOMElement $element
  * @return void
  * @access protected
  * @since 6/9/08
  */
 protected function applyBlockDisplayTypes(BlockSiteComponent $siteComponent, DOMElement $element)
 {
     if ($element->hasAttribute('blockDisplayType')) {
         $siteComponent->setDisplayType($element->getAttribute('blockDisplayType'));
     }
     if ($element->hasAttribute('headingDisplayType')) {
         $siteComponent->setHeadingDisplayType($element->getAttribute('headingDisplayType'));
     }
 }