function log(s, a) {
	// if (window.console && typeof window.console.log === "function")
	if (/firefox/i.test(navigator.userAgent))
		console.log(s);
	else if (a)
		alert(s);
}

var ENV = {
	set: function (key, val) {
		// val 0 olunca sorun cikar, "0" olarak ata!
		if (!ENV[key] || !ENV.hasOwnProperty(key))
			ENV[key] = val;
		else {
			if (typeof  val === "object")
				for (i in val)
					ENV[key][i] = val[i];
			else
				ENV[key] = val;
		}
	},
	get: function (key, i) {
		if (!ENV[key])
			return null;
		
		if (!i)
			return ENV[key] ? ENV[key] : null;
		
		return ENV[key][i] ? ENV[key][i] : null;
	},
	unset: function(key) {
		delete ENV[key];
	}
};