var radioWin;

function popRadio(cmd, mediaPlayerId) {
	// available commands:
	// add - add to playlist
	// play - add to playlist and move to top of list
	//if (cmd != null && mediaPlayerId != null) {
		if (radioWin && radioWin.open && !radioWin.closed) {
			radioWin.updatePlaylist(cmd, mediaPlayerId);
		} else {
			radioWin = window.open("/myradio/popup/?cmd="+cmd+"&mediaPlayerId="+mediaPlayerId, "radioWin", "width=300,height=570,menubar=no,location=no,resizable=yes,scrollbars=auto,status=no");
		}
	//}
}

var radioWin;