Slide Show with JavsScript

This code describe how to show slide using JavaScript.
%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SlideShow.aspx.cs" Inherits="jqDrag1.SlideShow" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Slide Show</title>
<script type="text/javascript">
var images = ["images/Desert.jpg", "images/Jellyfish.jpg", "images/Koala.jpg", "images/Chrysanthemum.jpg", "images/Hydrangeas.jpg", "images/Lighthouse.jpg", "images/Penguins.jpg", "images/Tulips.jpg"];
var imagesarraylength = images.length - 1;
var i = 0;
var int = setInterval(function () { tick() }, 1000);

function tick()
{
      i = i + 1;
      if (i > imagesarraylength)
      {
            i = 0;
      }

      document.getElementById("SlideShow").src = images[i];
}

</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<img src="images/Desert.jpg" height="600" width="100%" id="SlideShow" alt="#"/>
</div>
</form>
</body>
</html>