引入js文件

<script src="js/jquery-1.9.1.min.js"></script>
<script src="js/bootstrap.min.js" type="text/javascript"></script>
<script src="js/jquery.easing-1.3.min.js"></script>
<script src="js/jquery-ui.js"></script>
<script src="js/raindrops.js"></script>
<script src="js/default.js"></script>