Hi tussh,
Please check with the below code.
HTML
<head runat="server">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript">
$(window).load(function () {
var images = ['images/bg1.jpg', 'images/bg2.jpg'];
var image = $('[id*=top]');
image.css('background-image', 'url(images/bg.jpg)');
var i = 0;
setInterval(function () {
image.fadeOut(5000, function () {
image.css('background-image', 'url(' + images[i++] + ')');
image.fadeIn(5000);
});
if (i == images.length)
i = 0;
}, 10000);
});
</script>
<style type="text/css">
.header
{
display: block;
position: relative;
width: 100%;
height: 100%;
-webkit-background-size: cover;
-moz-background-size: cover;
background-size: cover;
-o-background-size: cover;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div id="top" class="header">
</div>
</form>
</body>
Screenshot
