$(document).ready(function() {

         var url = "http://"+location.host+"/suggestion.php";
        $("#searchinput").autocomplete({

            source: function(request, response) {
                $.ajax({
                    
                    url: url,
                    dataType: "json",
                    data: {
                        prefix: request.term
                    },
                    success: function(data) {
                        response(data, function(data) {
                            return data;
                        })
                        
                    }
                })
            },
            select: function(event, ui) {
                $("#searchform").submit();
            },
            minLength: 2,
            delay:1,
            open: function() {
                $(this).removeClass("ui-corner-all").addClass("ui-corner-top");
            },
            close: function() {
                $(this).removeClass("ui-corner-top").addClass("ui-corner-all");
            }
        });
    });