var nonCacheTS = new Date().getTime();
var onair = "";
function last_update() {
	var myAlbum = new Ajax.Updater('last', 'http://www.secondshifters.com/scripts/live_engine.php',
	  {
	    method: 'post',
	    parameters: {time: nonCacheTS, last: true}
	  });
}
last_update();
function current_update() {
	var myAlbum = new Ajax.Updater('current', 'http://www.secondshifters.com/scripts/live_engine.php',
	  {
	    method: 'post',
	    parameters: {time: nonCacheTS, current: true}
	  });
}
current_update();
var mySong = new Ajax.PeriodicalUpdater('current', 'http://www.secondshifters.com/scripts/live_engine.php',
  {
    method: 'post',
    parameters: {time: nonCacheTS, current: true},
    evalScripts: true,
    frequency: 120
  });
mySong.stop();