public function getBase64Tag() {
                if($this->owner->exists()) {
                        $url = $this->owner->getBase64Source();
                        $title = ($this->owner->Title) ? $this->owner->Title : $this->owner->Filename;
                        if($this->owner->Title) {
                                $title = Convert::raw2att($this->owner->Title);
                        } else {
                                if(preg_match("/([^\/]*)\.[a-zA-Z0-9]{1,6}$/", $title, $matches)) $title = Convert::raw2att($matches[1]);
                        }
                        return "<img src=\"$url\" alt=\"$title\" />";
                }
        }