AjaxRequest.js

var playRequest = HTTPObject();

setInterval("NowPlaying();", 5000);
NowPlaying();

function NowPlaying() {	
	// setup GET uri the server script parses
	playRequest.onreadystatechange = HandleNowPlaying;
	playRequest.open("GET", serverURI + "cmd=nowPlaying", true);

	// Do request
	playRequest.send(null);
}

function HandleNowPlaying() {
	if (playRequest.readyState == 4)
	{
		var response = '';
		var results = '';
		// get json object
		response = playRequest.responseText;
		var results = eval('('+ response +')');
		
		
		document.getElementById('np').innerHTML ="Np: "+ results.artist +" - "+ results.title +" // "+ (results.time/1000/60);
			
	}
}