/**
 @brief Auto Add function will add all placeholders on autopilot to the Content .
 
 Basically this still is an output filter that simply adds some placeholders to a HTML page. 
 It is based on regexes at this is more error resistant that using a DOM class.
 
 @param string $Content 
     The HTML content to filter 
 
 @retval string 
     The filtered/replaced content.  
 */
 public static function AddPlaceholder($Content)
 {
     $i = I::getInstance();
     return $i->AddPlaceholder($Content);
 }