Quick links section doesn't stay in constant place

The Quick links section in the left menu is sometimes moved below if there is any Navigation section existing. Instead it should stay on the same place no matter what section of web is opened

See difference between:

• http://static.54.22.63.178.clients.your-server.de/
• http://static.54.22.63.178.clients.your-server.de/info/faq