\n"; } else { $output .= "\n"; } $left_frame = ''."\n"; /** use preview pane? */ if ($show_preview_pane) { $right_frame = "\n" . "\n" . "\n" . "\n"; /** no preview pane */ } else { $right_frame = ''."\n"; } if ($nav_on_left) { $output .= $left_frame . $right_frame; } else { $output .= $right_frame . $left_frame; } echo $output ."\n\n";