Track log to textfile for foo_jscript_panel3

foo_jscript_panel3_tracklogger.js

var myhistory = fb.ProfilePath + "np.txt";
var maxfilesize = 5242880; //5MB in bytes

if (utils.IsFile(myhistory) == false) {
    utils.WriteTextFile(myhistory, "");
}

function save_history() {
    var fsize = utils.GetFileSize(myhistory);
    if (fsize < maxfilesize) {
        var strContents = utils.ReadTextFile(myhistory);
    } else {
        strContents = "";
    }
	var now = Math.round(new Date().getTime() / 1000);
    var artist = fb.TitleFormat("%artist%").Eval();
    var title = fb.TitleFormat("%title%").Eval();
    var strNewContents = strContents + "\n" + artist + " - " + title;
    if (artist && title) {
        utils.WriteTextFile(myhistory, strNewContents);
    }
}

function on_playback_new_track() {
    save_history();
}

function on_playback_dynamic_info_track() {
    save_history();
}