Ext教程-一起Ext

　　下面是动态加载package的方法
<script type="text/javascript" src="http://yoursite.com/scripts/dojo.js"></script>
    <script type="text/javascript">
      dojo.require("dojo.dnd.*");
      dojo.require("dojo.event.*");
      dojo.require("dojo.lfx.*");
      // now we are ready to work with any of these packages
</script>