/**
  * handles XML element starting
  */
 public static function tagStart($parser, $name, $attrs)
 {
     if (is_null(PccConfig::$parent_tag_name)) {
         PccConfig::$parent_tag_name = $name;
     } else {
         if ($name == 'DocumentPath' || $name == 'WebServicePort' || $name == 'WebServiceHost' || $name == 'WebServiceScheme' || $name == 'WebServicePath' || $name == 'MarkupsPath' || $name == 'ImageStampPath' || 'ValidImageStampTypes' || $name == 'EnableDocumentPath' || ($name = 'ApiKey')) {
             PccConfig::$child_tag_name = $name;
         }
     }
 }