function makeIsFunction(name) {
        var value = '[object ' + name + ']';
        system['is' + name] = function(obj) {
            return toString.call(obj) == value;
        };
    }
Determines if the specified object is a boolean.
@method isBoolean
@param {object} object The object to check.
@return {boolean} True if matches the type, false otherwise.