var flash;
	window.onload = function() {
		if(navigator.appName.indexOf("Microsoft") != -1) {
			flash = window.playsound;
		}else {
			flash = window.document.playsound;
		}
}

function playTrack(track_url) {
flash.playerPlay(track_url);
}

function stopTrack() {
flash.playerStop();	
}