SF4/5: Sorting SearchResults

Hi Telerik,

I would like to sort my searchResults based on the Relevance (default), alphabetically and by date. 

I found some posts about the feature in SF 3 but I can't get it to work on SF 4/5.
http://www.sitefinity.com/devnet/forums/sitefinity-3-x/developing-with-sitefinity/custom-search-results.aspx 

Hope anyone can help.

Ralph