js 显示友好时间

//友好的时间返回函数（如：10分钟前）time_stamp为UNIX秒数
function friendly_time(time_stamp)
{
    var now_d = new Date();
    var now_time = now_d.getTime() / 1000; //获取当前时间的秒数
    var f_d = new Date();
    f_d.setTime(time_stamp * 1000);
    var f_time = f_d.toLocaleDateString();

    var ct = now_time - time_stamp;
    var day = 0;
    if (ct < 0)
    {
        f_time = "【预约】" + f_d.toLocaleString();
    }
    else if (ct < 60)
    {
        f_time = Math.floor(ct) + '秒前';
    }
    else if (ct < 3600)
    {
        f_time = Math.floor(ct / 60) + '分钟前';
    }
    else if (ct < 86400)//一天
    {
        f_time = Math.floor(ct / 3600) + '小时前';
    }
    else if (ct < 604800)//7天
    {
        day = Math.floor(ct / 86400);
        if (day < 2)
            f_time = '昨天';
        else
            f_time = day + '天前';
    }
    else
    {
        day = Math.floor(ct / 86400);
        f_time = day + '天前';
    }
    return f_time;
}




function getd(time1)
{
    var da = new Date();
    sda = new Date(time1);
    var time2 = da.getTime();
    var time = 0;
    if (time1 > time2)
    {
        time = time1 - time2;
        sda = da;
    } else
    {
        time = time2 - time1;
    }
    if (time < 1000) return "刚刚";
    time = parseInt(time / 1000);
    if (time > 86400)
    {
        var day = parseInt(time / (24 * 60 * 60));
        if (day == 1)
        {
            return "昨天(" + sda.getHours() + ":" + sda.getMinutes() + ")";
        } else if (day < 30)
        {
            return day + "天前";
        } else if (day < 360)
        {
            var moth = parseInt(day / 30);
            return moth + "个月前";
        } else
        {
            var year = parseInt(day / 360);
            return year + "年前";
        };
    } else if (time > 3600)
    {
        var hour = parseInt(time / (60 * 60));
        return hour + "小时前";
    } else if (time > 60)
    {
        var hour = parseInt(time / 60);
        return hour + "分钟前";
    } else
    {
        return time + "秒前";
    }
}

有时win7系统会把时间自动显示为带星期的格式，需要对时间格式处理

var rg = new RegExp("[星期一二三四五六日]","g");

var q = obj_datetine.replace(rg, "").replace("-","/");//obj_datetine为要处理的时间参数

var d = new Date(Date.parse(q)); 

return friendly_time(d.getTime() / 1000);