static function mkBorder() { if (!empty(self::$options['show_borders']) && empty(self::$border)) { self::$border = 'border:#' . self::$options['border_normal'] . ' solid ' . self::$options['border_width'] . 'px;" ' . ' onmouseover="this.style.border=\'#' . self::$options['border_color'] . ' solid ' . self::$options['border_width'] . 'px\'" ' . 'onmouseout="this.style.border=\'#' . self::$options['border_normal'] . ' solid ' . self::$options['border_width'] . 'px\''; } return self::$border; }