$.fn.countto = function(a) {
	a = a || {};
	return $(this).each(function() {
		var c = $.extend({}, $.fn.countto.defaults, {
			from: $(this).data("from"),
			to: $(this).data("to"),
			speed: $(this).data("speed"),
			refreshinterval: $(this).data("refresh-interval"),
			decimals: $(this).data("decimals")
		}, a);
		var h = math.ceil(c.speed / c.refreshinterval),
			i = (c.to - c.from) / h;
		var j = this,
			f = $(this),
			e = 0,
			g = c.from,
			d = f.data("countto") || {};
		f.data("countto", d);
		if (d.interval) {
			clearinterval(d.interval)
		}
		d.interval = setinterval(k, c.refreshinterval);
		b(g);

		function k() {
			g += i;
			e++;
			b(g);
			if (typeof(c.onupdate) == "function") {
				c.onupdate.call(j, g)
			}
			if (e >= h) {
				f.removedata("countto");
				clearinterval(d.interval);
				g = c.to;
				if (typeof(c.oncomplete) == "function") {
					c.oncomplete.call(j, g)
				}
			}
		}

		function b(m) {
			var l = c.formatter.call(j, m, c);
			f.html(l)
		}
	})
};
$.fn.countto.defaults = {
	from: 0,
	to: 0,
	speed: 1000,
	refreshinterval: 100,
	decimals: 0,
	formatter: formatter,
	onupdate: null,
	oncomplete: null
};

function formatter(b, a) {
	return b.tofixed()
}

//整数
$(".count-number").data("counttooptions", {
	formatter: function(b, a) {
		return b.tofixed().replace(/\b(?=(?:\d{3})+(?!\d))/g, ",")
	}
});

//两位小数
$(".count-number2").data("counttooptions", {
	formatter: function(b, a) {
		return b.tofixed(2).replace(/\b(?=(?:\d{3})+(?!\d))/g, ",")
	}
});

//一位小数
$(".count-number3").data("counttooptions", {
	formatter: function(b, a) {
		return b.tofixed(1).replace(/\b(?=(?:\d{3})+(?!\d))/g, ",")
	}
});