how to add autoplay jquery slideshow

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ASP.NET

here is jquery slideshow click.

<script type="text/javascript">
$(document).ready(function () {
$('.bxslider').bxSlider();
});

$(".bxslider > div:gt(0)").hide();

setInterval(function () {
$('.bxslider > div:first')
.fadeOut(1000)
.next()
.fadeIn(1000)
.end()
.appendTo('.bxslider');
}, 3000);

</script>

i wanna add autoplay..
please help their friends...
kateer shukran.