js friendly time return function

//Friendly time return function (such as: 10 minutes ago) time_stamp is UNIX secondsfunction friendly_time(time_stamp)
{
  var now_d = new Date();
  var now_time = now_d.getTime() / 1000; //Get the number of seconds of the current time  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 = "【reserve】" + f_d.toLocaleString();
  }
  else if (ct < 60)
  {
    f_time = (ct) + 'Seconds ago';
  }
  else if (ct < 3600)
  {
    f_time = (ct / 60) + 'Minutes ago';
  }
  else if (ct < 86400)//one day  {
    f_time = (ct / 3600) + 'Hours ago';
  }
  else if (ct < 604800)//7 days  {
    day = (ct / 86400);
    if (day < 2)
      f_time = 'yesterday';
    else
      f_time = day + 'Day Ago';
  }
  else
  {
    day = (ct / 86400);
    f_time = day + 'Day Ago';
  }
  return f_time;
}




function getd(time1)
{
  var da = new Date();
  sda = new Date(time1);
  var time2 = ();
  var time = 0;
  if (time1 > time2)
  {
    time = time1 - time2;
    sda = da;
  } else
  {
    time = time2 - time1;
  }
  if (time < 1000) return "just";
  time = parseInt(time / 1000);
  if (time > 86400)
  {
    var day = parseInt(time / (24 * 60 * 60));
    if (day == 1)
    {
      return "yesterday(" + () + ":" + () + ")";
    } else if (day < 30)
    {
      return day + "Day Ago";
    } else if (day < 360)
    {
      var moth = parseInt(day / 30);
      return moth + "Monthly ago";
    } else
    {
      var year = parseInt(day / 360);
      return year + "New Year's Eve";
    };
  } else if (time > 3600)
  {
    var hour = parseInt(time / (60 * 60));
    return hour + "Hour ago";
  } else if (time > 60)
  {
    var hour = parseInt(time / 60);
    return hour + "Minutes ago";
  } else
  {
    return time + "Seconds ago";
  }
} 

var rg = new RegExp("[Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday]","g");
var q = obj_datetine.replace(rg, "").replace("-","/");

//obj_datetine is the time parameter to be processed
var d = new Date((q)); return friendly_time(() / 1000);