1function CKupdate(){
2    for ( instance in CKEDITOR.instances ){
3        CKEDITOR.instances[instance].updateElement();
4        CKEDITOR.instances[instance].setData('');
5    }
6}
7
8$(document).ready(function(){   
9    CKEDITOR.replace( 'comment-textarea' );
10
11    var options = {
12        success: function (html) {
13            $('#comments').append(html);
14        },
15        clearForm: true 
16    };
17
18    $('#formcomments').submit(function() {
19        CKupdate();
20    });
21    $('#formcomments').ajaxForm(options);
22}); 
23