[InviS]

$(function(){
                $("input.auto").autocomplete('autocomplete.php',{delay : '10', cacheLength: '10',selectOnly: "true",extraParams: {type:"fio"}});
                $("#add").click(function(){
                    $(this).before($("#search").clone().attr("value",""));
                });
});

...

<input type='text' id='search' class='ac_input auto' /><img src='add.png' id='add' />