Asp.net MVC 4 Autocomplete

Asp.net MVC 4 Autocomplete

Hi evry one. I have proble on use  Autocomplete on my project. I have error Runtime Error JavaScript: Object does not support property or method "autocomplete"
 On my code.

<script language="javascript">
    $(document).ready(function () {
        $("#title").bind("autocompleteselect",
            function(event,ui) {}.autocomplete({
                source: "/Default1/Autocomplete/",
                minLength: 2,
                select: function (event, ui) {
                    alert("State Id:" + ui.item.Id + "\n" + "State Name :" + ui.item.value);
                }})    
        );
    });
If i am copy this code on project MVC 3 it's fine. I am copy from my MVC 3 libary but this not halp. 

Solved
On start View add
@{
    Layout = null;
}