void SetTimeStamp(object oWho,string sPref)
{
  SetLocalInt(oWho,sPref+"_s",GetTimeSecond());
  SetLocalInt(oWho,sPref+"_m",GetTimeMinute());
  SetLocalInt(oWho,sPref+"_h",GetTimeHour());
  SetLocalInt(oWho,sPref+"_d",GetCalendarDay());
  SetLocalInt(oWho,sPref+"_mm",GetCalendarMonth());
  SetLocalInt(oWho,sPref+"_y",GetCalendarYear());
}

int SecondsPassed(object oWho,string sPref)
{
  int iPassed;

  iPassed  = GetTimeSecond() - GetLocalInt(oWho,sPref+"_s");
  iPassed += (GetTimeMinute() - GetLocalInt(oWho,sPref+"_m")) * 60;
  iPassed += (GetTimeHour() - GetLocalInt(oWho,sPref+"_h")) * 3600;
  iPassed += (GetCalendarDay() - GetLocalInt(oWho,sPref+"_d")) * 86400;
  iPassed += (GetCalendarMonth() - GetLocalInt(oWho,sPref+"_mm")) * 2678400;
  iPassed += (GetCalendarYear() - GetLocalInt(oWho,sPref+"_y")) * 32140800;

  return iPassed;
}

void SetLocalDecay(object oWho,string sVarname,int iValue,int iDecPerHour)
{
  SetTimeStamp(oWho,sVarname);
  SetLocalInt(oWho,sVarname+"_val",iValue);
  SetLocalInt(oWho,sVarname+"_dec",iDecPerHour);
}

int GetLocalDecay(object oWho,string sVarname)
{
  int iSet, iDec, iActual, iPassed;

  if(!GetLocalInt(oWho,sVarname+"_y")) return 0;

  iPassed = SecondsPassed(oWho,sVarname);

  iSet = GetLocalInt(oWho,sVarname+"_val");
  iDec = GetLocalInt(oWho,sVarname+"_dec");

  iActual = iSet - (iPassed * iDec) / 3600;
  if(iActual < 0) iActual = 0;
  return iActual;
}

int GetLocalDecrate(object oWho,string sVarname)
{
  return GetLocalInt(oWho,sVarname+"_dec");
}