Zing Audio Player

script.js

var baseurl = 'http://mp3.zing.vn';
var token = 'fb01753add840692df1029d5508a8ee6';
var params = document.querySelectorAll('param[value*="mp3.zing.vn"]');
if (params.length > 0) {
	for (var i=0; i < params.length; i++) 
	{
		var zingPlaylist = new Array();
		var object = params[i].parentNode;
		var xmlurl =  baseurl + object.querySelector('param[name=flashvars]').value.replace('xmlURL=', '');
		var xmlhttp = new XMLHttpRequest();
		xmlhttp.open("GET", xmlurl, true);
		xmlhttp.onreadystatechange=function() {
			if (xmlhttp.readyState == 4) {
		    	sources = xmlhttp.responseXML.querySelectorAll('source');
				for (var j=0; j < sources.length; j++) {
					zingPlaylist.push(sources[j].textContent + '?q=' + token + '&t');
				};
			}
			
			if (zingPlaylist.length > 0) {
				var songID = parseInt(xmlurl.replace(/.*songID=(.+?)&.*/, '$1'), 10);
				object.innerHTML = audioHTML(zingPlaylist[songID]);
				var theAudioPlayer = object.children[0];
				theAudioPlayer.autoplay = true;
				theAudioPlayer.load();
				theAudioPlayer.play();
				if (zingPlaylist.length == 1) {
					theAudioPlayer.loop = true;
				} else {
					theAudioPlayer.addEventListener('ended', function(){
						if (++songID <= zingPlaylist.length) {
							this.src = zingPlaylist[songID];
							this.load();
							this.play();
						};
					});
				}
			} else {
				object.innerHTML = 'Songs could not be loaded. Please refresh your browser and try again.';
			}
		}
		xmlhttp.send(null)
		
	};
	
};