how to refresh Yii captcha when validation failed? -


how refresh yii captcha word image when validation failed ? here's code

            jquery.ajax({                     type    : "post",                     cache   : false,                     url     : emailfrienddata,                     data    : 'friendemail='+friendemail+'&sendername='+sendername+'&friendemailcontent='+friendemailcontent+"&captcha="+captcha,                         success :function(data){                             if(data == 1){                              alert('email sent');                                jquery.fancybox.close();                             } else if(data == 2) {                                 alert('wrong captcha!'); //how refresh yii captcha in area ?                                 return false;                             }                         }                 });             return false;                }

you can trigger click on refresh button. if put captcha in container class captcha could:

$(".captcha a").trigger("click");

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