(function($) {
        /**
         * attaches a character counter to each textarea element in the jQuery object
         * usage: $("#myTextArea").charCounter(max, settings);
         */

        $.fn.charCounter = function(max, settings) {
                max = max || 250;
                settings = $.extend({
                        container: "<span>",
                        classname: "charcounter",
                        format: "(%1 karakter kaldı)",
                        pulse: true
                }, settings);
                var p;

                function count(el, container) {
                        el = $(el);
                        if (el.val().length > max) {
                            el.val(el.val().substring(0, max));
                            if (settings.pulse && !p) {
                                pulse(container, true);
                            };
                        };
                        container.html(settings.format.replace(/%1/, (max - el.val().length)));
                };

                function pulse(el, again) {
                        if (p) {
                                window.clearTimeout(p);
                                p = null;
                        };
                        el.animate({ opacity: 0.1 }, 100, function() {
                                $(this).animate({ opacity: 1.0 }, 100);
                        });
                        if (again) {
                                p = window.setTimeout(function() { pulse(el) }, 200);
                        };
                };

                return this.each(function() {
                        var container = (!settings.container.match(/^<.+>$/))
                                ? $(settings.container)
                                : $(settings.container)
                                        .insertBefore(this)
                                        .addClass(settings.classname);
                        $(this)
                                .bind("keydown", function() { count(this, container); })
                                .bind("keypress", function() { count(this, container); })
                                .bind("keyup", function() { count(this, container); })
                                .bind("focus", function() { count(this, container); })
                                .bind("mouseover", function() { count(this, container); })
                                .bind("mouseout", function() { count(this, container); })
                                .bind("paste", function() {
                                        var me = this;
                                        setTimeout(function() { count(me, container); }, 10);
                                });
                        if (this.addEventListener) {
                                this.addEventListener('input', function() { count(this, container); }, false);
                        };
                        count(this, container);
                });
        };
})(jQuery);