function detectMacFX2() {
	var userAgent = navigator.userAgent.toLowerCase();
	if(/firefox[\/\s](\d+\.\d+)/.test(userAgent)) {
		var ffversion = new Number(RegExp.$1);
		if (ffversion < 3 && userAgent.indexOf('mac') != -1) {
			return true;
		}
		return false;
	}
	return false;
}