function createTrackInfo(fileStr){
	var myRequest = new Request({method: 'get', url: './ajax/trackinfo.php',
		onComplete: function(r) {
					//alert(r)
				},
		onFailure: function() {
			}
	}).send("file="+fileStr+"&atype=create");
}

function updateTrackInfo(fileStr){
	var myRequest = new Request({method: 'get', url: './ajax/trackinfo.php',
		onComplete: function(r) {
					//alert(r)
				},
		onFailure: function() {
			}
	}).send("file="+fileStr+"&atype=update");
}