(function ($) {
    $.extend({
        progressBar: new
        function () {
            this.defaults = {
                steps: 1,
                step_duration: 20,
                max: 100,
                showText: true,
                textFormat: 'percentage',
                width: 120,
                height: 12,
                callback: null,
                boxImage: '/atf/cf/{F39659AB-8CEE-415E-BA24-1FA2DF19A6D9}/images/progressbar.gif',
                barImage: {
                    0: '/atf/cf/{F39659AB-8CEE-415E-BA24-1FA2DF19A6D9}/images/progressbg_red.gif',
                    99: '/atf/cf/{F39659AB-8CEE-415E-BA24-1FA2DF19A6D9}/images/progressbg_green.gif'
                },
                running_value: 0,
                value: 0,
                image: null
            };
            this.construct = function (arg1, arg2) {
                var argvalue = null;
                var argconfig = null;
                if (arg1 != null) {
                    if (!isNaN(arg1)) {
                        argvalue = arg1;
                        if (arg2 != null) {
                            argconfig = arg2;
                        }
                    } else {
                        argconfig = arg1;
                    }
                }
                return this.each(function (child) {
                    var pb = this;
                    var config = this.config;
                    if (argvalue != null && this.bar != null && this.config != null) {
                        this.config.value = argvalue
                        if (argconfig != null) pb.config = $.extend(this.config, argconfig);
                        config = pb.config;
                    } else {
                        var $this = $(this);
                        var config = $.extend({}, $.progressBar.defaults, argconfig);
                        config.id = $this.attr('id') ? $this.attr('id') : Math.ceil(Math.random() * 100000);
                        if (argvalue == null) argvalue = $this.html().replace("%", "");
						config.value = argvalue;
                        config.running_value = 0;
                        config.image = getBarImage(config);
                        $this.html("");
                        var bar = document.createElement('img');
                        var text = document.createElement('span');
                        var $bar = $(bar);
                        var $text = $(text);
                        pb.bar = $bar;
                        $bar.attr('id', config.id + "_pbImage");
                        $text.attr('id', config.id + "_pbText");
                        $text.html(getText(config));
                        $bar.attr('title', getText(config));
                        $bar.attr('alt', getText(config));
                        $bar.attr('src', config.boxImage);
                        $bar.attr('width', config.width);
                        $bar.css("width", config.width + "px");
                        $bar.css("height", config.height + "px");
                        $bar.css("background-image", "url(" + config.image + ")");
                        $bar.css("background-position", ((config.width * -1)) + 'px 50%');
                        $bar.css("padding", "0");
                        $bar.css("margin", "0");
                        $this.append($bar);
                        $this.append($text);
                    }

                    function getPercentage(config) {
                        return config.running_value * 100 / config.max;
                    }

                    function getBarImage(config) {
                        var image = config.barImage;
                        if (typeof(config.barImage) == 'object') {
                            for (var i in config.barImage) {
                                if (config.running_value >= parseInt(i)) {
                                    image = config.barImage[i];
                                } else {
                                    break;
                                }
                            }
                        }
                        return image;
                    }

                    function getText(config) {
                        if (config.showText) {
                            if (config.textFormat == 'percentage') {
                                return " " + Math.round(config.running_value) + "%";
                            } else if (config.textFormat == 'fraction') {
                                return " " + config.running_value + '/' + config.max;
                            }
                        }
                    }
                    config.increment = Math.round((config.value - config.running_value) / config.steps);
                    if (config.increment < 0) config.increment *= -1;
                    if (config.increment < 1) config.increment = 1;
                    //var t = setInterval(function () {
                        var pixels = config.width / 100;
                        var stop = false;
                        if (config.running_value > config.value) {
                            if (config.running_value - config.increment < config.value) {
                                config.running_value = config.value;
                            } else {
                                config.running_value -= config.increment;
                            }
                        }
                        else if (config.running_value < config.value) {
                            if (config.running_value + config.increment > config.value) {
                                config.running_value = config.value;
                            } else {
                                config.running_value += config.increment;
                            }
                        }
                        //if (config.running_value == config.value) clearInterval(t);
						//console.log(config.value);
                        var $bar = $("#" + config.id + "_pbImage");
                        var $text = $("#" + config.id + "_pbText");
                        var image = getBarImage(config);
                        if (image != config.image) {
                            $bar.css("background-image", "url(" + image + ")");
                            config.image = image;
                        }
                        $bar.css("background-position", (((config.width * -1)) + (getPercentage(config) * pixels)) + 'px 50%');
                        $bar.attr('title', getText(config));
                        $text.html(getText(config));
                        if (config.callback != null && typeof(config.callback) == 'function') config.callback(config);
                        pb.config = config;
                    //}, config.step_duration);
                });
            };
        }
    });
    $.fn.extend({
        progressBar: $.progressBar.construct
    });
})(jQuery);