// Send usage statistics to GA once/day
var loginMonitor = pers.get("sanguLogin");
if (loginMonitor !== '') {
	var parts = loginMonitor.match(/(\d+)/g);
	loginMonitor = new Date(parts[0], parts[1]-1, parts[2]);
	
	//if (Math.abs(loginMonitor.getTime() - (new Date()).getTime()) > 1000 * 3600 * 24) {
	if (parseInt(parts[2], 10) != (new Date()).getDate()) {
		loginMonitor = '';
	}
}
if (loginMonitor === '') {
	loginMonitor = new Date();
	loginMonitor.setHours(0, 0, 0);
	loginMonitor = loginMonitor.getFullYear() + '-' + pad(loginMonitor.getMonth()+1, 2) + '-' +  pad(loginMonitor.getDate(), 2);
	trackEvent("ScriptUsage", "DailyUsage", loginMonitor);
	pers.set("sanguLogin", loginMonitor);
	
	// also log world/tribe usage
	trackEvent("ScriptUsage", "WorldUsage", game_data.world);
	trackEvent("ScriptUsage", "TribeUsage", game_data.world + " " + game_data.player.ally_id);
	trackEvent("ScriptUsage", "HasPremium", game_data.player.premium ? "Yes" : "No");		// Do we need to support non PA users?
	trackEvent("ScriptUsage", "HasAM", game_data.player.account_manager ? "Yes" : "No");	// Do we need to do stuff on the AM pages?
}