$.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(0);
}
$("#count-number").data("countToOptions", {
    formatter: function(b, a) {
        //return b.toFixed(0).replace(/\B(?=(?:\d{3})+(?!\d))/g, ",")
        return b.toFixed(0);
    }
});

//褰撻珮搴﹁揪鍒板睍绀洪珮搴︽椂锛屾樉绀烘暟鎹

//$(".about_r_title").each(count);

function getScrollTop(){
    var scrollTop=0;
    if(document.documentElement&&document.documentElement.scrollTop){
        scrollTop=document.documentElement.scrollTop;
    }else if(document.body){
        scrollTop=document.body.scrollTop;
    }
    return scrollTop;
}
var show_num=0;
window.onscroll=function(){
    var height=getScrollTop();
    if(height>=400){
        if(show_num==0){
            $(".about_r_title").each(count);
            show_num=1;
        }
    }
    if(height>=1000)
        show_num=0;
}

function count(a) {
    var b = $(this);
    a = $.extend({},
    a || {},
    b.data("countToOptions") || {});
    b.countTo(a)
};