<?php
echo CHtml::ajaxButton('Submit', 'js:$(this).attr("href")',array(
        'type'=>'GET',
        'update'=>'#testdiv',

        'beforeSend' => 'function(){
                         $("#loading").addClass("loading");
                        }',
        'success' => 'function(data){
                        $("#loading").removeClass("loading");
                        redurl = "http://hq-dev-01"+ this.url;
                        setTimeout(function(){
                                   window.open(redurl,"_new");
                                   },5000);
                     }',
         'error'=>'js:function(data){
                      console.log(data);
                   }',
         ),
        array('href'=>$this->createUrl('/site/pdf/name/billing_patrol_withdeviations/'),
        'id'=>'filter-button' // your actual url
        ));
?>