(function ($) {
    $.fn.extend({
        limit: function (limit, element) {

            var interval, f;
            var self = $(this);

            $(this).focus(function () {
                interval = window.setInterval(substring, 100);
            });

            $(this).blur(function () {
                clearInterval(interval);
                substring();
            });

            //            function getCleanedWordString(content) {
            //                var fullStr = content + " ";
            //                var initial_whitespace_rExp = /^[^A-Za-z0-9]+/gi;
            //                var left_trimmedStr = fullStr.replace(initial_whitespace_rExp, "");
            //                var non_alphanumerics_rExp = rExp = /[^A-Za-z0-9]+/gi;
            //                var cleanedStr = left_trimmedStr.replace(non_alphanumerics_rExp, " ");
            //                var splitString = cleanedStr.split(" ");
            //                return splitString;
            //            }

            //.replace(/^\s+|\s+$/g,"").replace(/(\r\n|[\r\n])/g, "").length

            //            substringFunction = "function substring(){ var val = $(self).val();var length = val.length;if(length > limit){$(self).val($(self).val().substring(0,limit));}";
            //            if (typeof element != 'undefined')
            //                substringFunction += "if($(element).html() != limit-length){$(element).html((limit-length<=0)?'0':limit-length).append(' characters left<br />');}";

            //            substringFunction += "}";

            //            eval(substringFunction);

            function substring() {
                var val = $(self).val();
                var length = val.replace(/\n/g, "\n\r").length;
                if (length > limit) {
                    $(self).val($(self).val().substring(0, limit));
                }
                // if (typeof element != 'undefined')
                if ($(element).html() != limit - length) {
                    $(element).html((limit - length <= 0) ? '0' : limit - length).append(' characters left<br />');
                }

                //  substringFunction += "}";

                // eval(substringFunction);

            }

            substring();

        }
    });
})(jQuery);