append some buttons to the standard datagrid pager bar

<script type="text/javascript">
  $(function(){
   var pager = $('#dg').datagrid('getPager'); // get the pager of datagrid
   pager.pagination({
    buttons:[{
     iconCls:'icon-search',
     handler:function(){
      alert('search');
     }
    },{
     iconCls:'icon-add',
     handler:function(){
      alert('add');
     }
    },{
     iconCls:'icon-edit',
     handler:function(){
      alert('edit');
     }
    }]
   });   
  })
 </script>