Dayz scheduled messages

sched_msg.sqf

//array of messages.
// text,delay minutes,interval minutes
if (isserver) 
{ 
_messages = [
  ["text message",10,15],
  ["text message",20,15],
  ["server will restart on the hour",100,5]
];
while(true) do {
{
sleep 15;
_servertime = serverTime;
_nextrun= _message select 1 * 60;
_interval = _message select 2 * 60;
_msg = _message select 0;
if (_nextrun < _servertime)
  {
  publicvariable sched_msg = _msg;
  _message select 1 = _nextrun + _interval;
  };
}foreach _message;

};
};