Hides discussions older than a week (or so) on my talk page using Navigationsleisten.

On my talk page:

{{/old|title=Welcome|user=username|first=1}}
==Welcome==
Message --[[User:Name|Name]] 00:00, 1 January, 1970 (UTC)

{{/old|title=Thank you for your contribution|user=Name}}
==Thank you for your contribution==
Comment --[[User:Name|Name]] 00:00, 1 January, 1970 (UTC)

{{/old|title=Thanks for clearing that up|user=Name}}
==Thanks for clearing that up==
Comment --[[User:Name|Name]] 00:00, 1 January, 1970 (UTC)

{{/old|title=Goodbye|user=Me}}
==Goodbye==
See you. --[[User:Me|Me]] 00:00, 1 January, 1970 (UTC)
{{/old|last=1}}

etc.