MentionsAutoComplete('text_'+lineno, 'mentions_container_'+lineno,

                             _USERS_AC_DATA, _GROUPS_AC_DATA);

        $('#text_'+lineno).focus();

    },10)

};

var deleteComment = function(comment_id){

    var url = AJAX_COMMENT_DELETE_URL.replace('__COMMENT_ID__',comment_id);

    var postData = {'_method':'delete'};

    var success = function(o){

        var $deleted = $('#comment-tr-'+comment_id);

        var $prev = $deleted.prev('tr');

        $deleted.remove();

        _placeAddButton($prev);

    }

    ajaxPOST(url,postData,success);

}

var _getLineNo = function(tr) {

    var line;

    var o = $(tr).children()[0].id.split('_');

    var n = $(tr).children()[1].id.split('_');

    if (n.length >= 2) {