Using the jquery datepicker in ASP.Net MVC3 projects

[DisplayName("Available from")]
    [DisplayFormat(DataFormatString="{0:d}",ApplyFormatInEditMode=true,NullDisplayText="(not specified")]
    public DateTime? From { get; set; }

<div class="editor-field">
        @Html.EditorFor(model => model.Standin.From)
        @Html.ValidationMessageFor(model => model.Standin.From)
    </div>

<head>
<title>@ViewBag.Title</title>
<link href="@Url.Content("~/Content/Site.css")" rel="stylesheet" type="text/css" />
<link href="@Url.Content("~/Content/themes/base/jquery.ui.all.css")" rel="stylesheet" type="text/css" />
<script src="@Url.Content("~/Scripts/jquery-1.5.1.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery-ui-1.8.11.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery-1.5.1.min.js")" type="text/javascript"></script>
</head>

@model Nullable<System.DateTime>

@if (Model.HasValue)
{
    @Html.TextBox("", Model.Value.ToShortDateString(), new { @class = "date" })
}
else
{
    @Html.TextBox("",string.Empty)
}
<script type="text/javascript">
    $(document).ready(function () { $('.date').datepicker({ dateFormat: "dd/mm/yy" }); });
</script>

<script src="@Url.Content("~/Scripts/jquery-1.4.4.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery-ui-1.8.14.min.js")" type="text/javascript"></script>

<link href="@Url.Content("~/Content/themes/base/jquery-ui.css")" rel="stylesheet" type="text/css" />

<link rel="stylesheet" href="../../../JQueryScripts/themes/base/jquery.ui.all.css"/>
<script type="text/javascript" src="@Url.Content("~/JQueryScripts/jquery-1.6.2.js")"></script>
<script type="text/javascript" src="@Url.Content("~/JQueryScripts/ui/jquery.ui.core.js")"></script>
<script type="text/javascript" src="@Url.Content("~/JQueryScripts/ui/jquery.ui.widget.js")"></script>
<script type="text/javascript" src="@Url.Content("~/JQueryScripts/ui/jquery.ui.datepicker.js")"></script>
<script type="text/javascript" src="@Url.Content("~/JQueryScripts/ui/i18n/jquery.ui.datepicker-nl.js")"></script>

    <script type="text/javascript">
        $(document).ready(function () {
            $('.datepicker').datepicker({
                dateFormat: "dd-mm-yy",
                minDate:0
            });
          });
    </script>


@model Nullable<System.DateTime>

@if (Model.HasValue)
{
    @Html.TextBox("", Model.Value.ToShortDateString(), new { @class = "datepicker" })
}
else
{
    @Html.TextBox("", string.Empty, new { @class = "datepicker" })
}