// Timestamp of cart that page was last updated with
var lastCartUpdate = 0;

///REQUEST MUSIC DATA HERE////
function getSongData() {
	var v_info = document.getElementById("on_air_now");
	v_info.innerHTML = "<b>ON AIR NOW:</b> Loading...";
	
	var req = newXMLHttpRequest();
	req.onreadystatechange = getReadyStateHandler(req, dataResponse);
	 	
	//call proxy servlet here with values, should get results returned
	req.open("POST", "/wave/GetSongDataServlet/", true);
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	req.send(null);
}
function dataResponse(dataXML) {
	try{
		var songData = dataXML.getElementsByTagName("item")[0];
		var artistName = songData.getElementsByTagName("Artist")[0].firstChild.nodeValue;
		var songName = songData.getElementsByTagName("SongTitle")[0].firstChild.nodeValue;
		var v_info = document.getElementById("on_air_now");
		v_info.innerHTML ="<b>ON AIR NOW:</b> "+artistName+"<span><b>[ <a href=\"javascript:void(0);\" onClick=\"javascript:onw('/wave/player.jsp','','width=980,height=600,screenX=0,screenY=0,directories=0,fullscreen=0,location=0,menubar=0,scrollbars=0,status=0,toolbar=0');\">"+songName+"</a> ]</b></span>";
		
	}catch(err){
		var v_info = document.getElementById("on_air_now");
		v_info.innerHTML ="<b>ON AIR NOW:</b>  The Wave 97.3<span><b>[ <a href=\"javascript:void(0);\" onClick=\"javascript:onw('/wave/player.jsp','','width=980,height=600,screenX=0,screenY=0,directories=0,fullscreen=0,location=0,menubar=0,scrollbars=0,status=0,toolbar=0');\">Click to listen LIVE</a> ]</b></span>";
	}
	
	/*call function again in 30 seconds*/
	setTimeout("getSongData()", 15000);
	
}