This code will set the innertext of all the div element using JQuery. You need to download the Jquery file from
http://docs.jquery.com/Downloading_jQuery .
<script type="text/javascript" src="Script/jquery-1.3.2.js">
</script>
<script type="text/javascript">
$(document).ready(function(){
$("div").text("Virendra Dugar.");
});
</script>