Slider is not working in asp.net 4.0

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ASP.NET4

I am using trip tracker slide show javascript for this purpose all icons like previous, next slide show, close are showing but images are not loading, whats the problem there?

code is:

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPageBase.master" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
    <%--<script type="text/javascript" src="http://slideshow.triptracker.net/slide.js"></script>--%>
    <script src="scripts/slide.js" type="text/javascript"></script>

<script type="text/javascript">
<!--
    var viewer = new PhotoViewer();
    viewer.add('/images/TajMahal.jpg');
    viewer.add('/images/church-wallpapers_21514_1280x800.jpg');
    viewer.add('/images/HOUSE.JPG.jpg');
//-->
</script>

<div id="viewer">
    <asp:ImageButton ID="ImageButton1" runat="server" src ="images/HOUSE.JPG" onclick ="javascript:void(viewer.show(0))" height="250" width="250"/>
<img src ="images/TajMahal.jpg" onclick ="javascript:void(viewer.show(0))" height="250" width="250"/>
<img src ="images/church-wallpapers_21514_1280x800.jpg" height="250" width="250" />
<img src ="images/HOUSE.JPG" height="250" width="250" /><br />
<a href="javascript:void(viewer.show(0))">Slide Show</a>
</div>
</asp:Content>