public static function canBuyTech(arg1:XML):Boolean
        {
            if (isLearned(arg1.@name))
            {
                return false;
            }
            if (isEnrolled(arg1.@name))
            {
                return false;
            }
            if (arg1.requiredLevel > Global.player.level)
            {
                return false;
            }
            var loc1:*;
            loc1 = arg1.resourceModifiers.elements("market")[0];
            return Global.player.checkResourcesByXML(loc1, null, null);
        }