Accessibility Enhancement

This is working well on my test site. Thanks!

I could see it being confusing for those using screen-readers, though, because of where the results will appear if they tab out of the search box and then tab down the page. So I suggest hiding the results from screen-readers altogether.

This requires one small modification to the file dwls-results.tpl so that its very first line should now read:

<ul id="dwls_search_results" class="search_results dwls_search_results" role="presentation" aria-hidden="true">