If you want to use less bandwidth both from your server and with your visitors, you must enable Google jQuery for you. Reasons (from encosia.com ):
. ( - google.load(), . ):
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
});
</script>