function track_update() {
	var refreshRate = 15000; // time in milliseconds
	var cacheBuster = (new Date).getTime();
	$.ajax({
	   	type: "POST",
	   	dataType: "xml",
	   	url: "../xmlpool/channel_song.php",
	   	data: {op: 'tick', time: cacheBuster,ps: player.getConfig().state},
	   	error: function() { $("#current_track").html('fehler!'); },
	   	success: function(xml){
	   		if($('channel', xml).size() > 0) {
	   		
	   		var aktuelle_schriftfarbe=$(".ch a, #buyer a,#volume_int,#channel_name,#channel_track").css("color");
	   		
		   		$('channel', xml).each(function(id){
		   			var channel_song = $('track', this).text();
		   			var channel_name = $('icy-name', this).text();
		   			var channel_genre = $('icy-genre', this).text();
		   			var channel_url = $('icy-url', this).text();
				  
				  if("Track: "+channel_song!=$("#channel_track").html()){
				  	//$("#ct").css("background-color","#00BBD6");
				  	$("#channel_track").html("Track: "+channel_song);
				  }else{
				   	//$("#ct").css("background-color","#4BCFE2");
				   	$("#channel_track").html("Track: "+channel_song);
				  }
				  
				  $("#buyer").html('<a href="http://partners.webmasterplan.com/click.asp?ref=107534&site=3752&type=text&tnb=29&prd=yes&stext='+channel_song+'" target="_blank">Aktuellen Titel downloaden</a><img src="http://banners.webmasterplan.com/view.asp?site=3752&ref=107534&b=0&type=text&tnb=29" border="0" width="1" height="1">');
				  
				  $("#channel_name").html("Channel: "+channel_name);
				  $("#channel_genre").html(channel_genre);
				  $("#channel_url").html(channel_url);  
				  
				  $(".ch a, #buyer a,#volume_int,#channel_name,#channel_track").css("color",aktuelle_schriftfarbe);
				  
				  //icy-name	
				  });
			
			//alert($('song', xml));  
	   		} else {
	   			$("#current_track").html('fehler!');
	   		}
	   		$("#ct").marquee("update");
	   		$("#ct").marquee();
	   	}
	   	

	});
	setTimeout('track_update()', refreshRate);
}

function channel_update(channel_ID){
	$.ajax({
	   	type: "POST",
	   	dataType: "xml",
	   	url: "../xmlpool/channel_song.php",
	   	data: {channel_ID: channel_ID},
	   	error: function() { $("#current_track").html('fehler!'); },
	   	success: function() { track_update(); }
	   	

	});
}