the first step is to set up the data assist search on the events page so it works exactly the same as the search on the search_results page.
you should be able to change the action of the search page to go to the events page and have the search for work,
when a search is done on the search_results page, the search is saved to a session named:
there will also be a session that the search on the events page will save.
you can add code to the page to set the session on the events page to use the one that is set by the search results page.