var songdata = {}; 

songdata.doUpdate = function()
{
	var songarray = new Array();
	var randomtext = "a" + Math.ceil(Math.random() * 1000000000 * Math.random());
	var testtube = "http://" + window.location.hostname + "/nowplaying/nowplay.htm?json="+randomtext;
	HTTP.getText(testtube, songdata.processUpdate);
	
}

songdata.processUpdate = function(songarray) {
	songarray = eval('('+songarray+')')
	for (var i = 1; i <= 5; i++) {
		var artistinfo = document.getElementById("artist"+i);
		artistinfo.innerHTML = songarray["artist"+i];
		var songinfo = document.getElementById("song"+i);
		songinfo.innerHTML = songarray["song"+i];
	}

}

songdata.startUpdate = function()
{
	songdata.doUpdate();
	var randomize = document.getElementById("randomize");
	
	setInterval ( "songdata.doUpdate()", 30000 );
}