<script type="text/javascript" src="{site_plugins}jquery/jquery.autocomplete.js"></script>
<script type="text/javascript" src="{site_plugins}jquery/jquery.form.js"></script>
<script language="javascript">
    $(document).ready( function() {
         $('#searchForm').ajaxForm({
            success: function(data) {
                $('#page_block_1').html(data);
            }
        });
      $("#ownerName").autocomplete("{users_processing}", {extraParams: {action: "findMembers", type: "ajax"}, autoFill:true});
      }
    );
</script>