$(document).ready(function(){
        $('#comment').keyup(function() {

            var comment = $('#comment').val();

            if(comment.length>=10){
                $('#disply_count').html("Maximum Characters Reached(10 Chars)");
                comment = comment.substring(0, 10);
                $('#comment').val(comment);
            }else{
                var comment_length = comment.length;
                var chars_left     = parseInt(10) - parseInt(comment_length);
                $('#disply_count').html(chars_left +" Characters Left");
            }

        });
});