(function (definition){ 
if (typeof define == "function") { 
define(definition); 
} 
 else if (typeof YUI == "function") { 
YUI.add("es5-sham", definition); 
} 
 else { 
definition(); 
} 
} 
)(function (){ 
var call = Function.prototype.call; 
var prototypeOfObject = Object.prototype; 
var owns = call.bind(prototypeOfObject.hasOwnProperty); 
var defineGetter; 
var defineSetter; 
var lookupGetter; 
var lookupSetter; 
var supportsAccessors; 
if (supportsAccessors = owns(prototypeOfObject, "__defineGetter__")) { 
defineGetter = call.bind(prototypeOfObject.__defineGetter__); 
defineSetter = call.bind(prototypeOfObject.__defineSetter__); 
lookupGetter = call.bind(prototypeOfObject.__lookupGetter__); 
lookupSetter = call.bind(prototypeOfObject.__lookupSetter__); 
} 
if (!Object.getPrototypeOf) { 
Object.getPrototypeOf = function getPrototypeOf(object){ 
return object.__proto__ || (object.constructor? object.constructor.prototype: prototypeOfObject); 
} 
; 
} 
function doesGetOwnPropertyDescriptorWork(object){ 
try { 
object.sentinel = 0; 
return Object.getOwnPropertyDescriptor(object, "sentinel").value === 0; 
} 
catch (exception) { 
} 
} 
if (Object.defineProperty) { 
var getOwnPropertyDescriptorWorksOnObject = doesGetOwnPropertyDescriptorWork({ 
}
); 
var getOwnPropertyDescriptorWorksOnDom = typeof document == "undefined" || doesGetOwnPropertyDescriptorWork(_AN_Call_createelement("createElement", document, "div")); 
if (!getOwnPropertyDescriptorWorksOnDom || !getOwnPropertyDescriptorWorksOnObject) { 
var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor; 
} 
} 
if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) { 
var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a non-object: "; 
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property){ 
if (typeof object != "object" && typeof object != "function" || object === null ) { 
throw new TypeError(ERR_NON_OBJECT + object)
} 
if (getOwnPropertyDescriptorFallback) { 
try { 
return getOwnPropertyDescriptorFallback.call(Object, object, property); 
} 
catch (exception) { 
} 
} 
if (!owns(object, property)) { 
return ; 
} 
var descriptor = { 
enumerable: true ,
configurable: true }
; 
if (supportsAccessors) { 
var prototype = object.__proto__; 
object.__proto__ = prototypeOfObject; 
var getter = lookupGetter(object, property); 
var setter = lookupSetter(object, property); 
object.__proto__ = prototype; 
if (getter || setter) { 
if (getter) { 
descriptor.get = getter; 
} 
if (setter) { 
descriptor.set = setter; 
} 
return descriptor; 
} 
} 
descriptor.value = object[property]; 
descriptor.writable = true ; 
return descriptor; 
} 
; 
} 
if (!Object.getOwnPropertyNames) { 
Object.getOwnPropertyNames = function getOwnPropertyNames(object){ 
return Object.keys(object); 
} 
; 
} 
if (!Object.create) { 
var createEmpty; 
var supportsProto = Object.prototype.__proto__ === null ; 
if (supportsProto || typeof document == "undefined") { 
createEmpty = function (){ 
return { 
__proto__: null }
; 
} 
; 
} 
 else { 
createEmpty = function (){ 
var iframe = _AN_Call_createelement("createElement", document, "iframe"); 
var parent = document.body || document.documentElement; 
iframe.style.display = "none"; 
_AN_Call_appendchild("appendChild", parent, iframe); 
_AN_Write_src("src", iframe, false , "javascript:"); 
var empty = iframe.contentWindow.Object.prototype; 
parent.removeChild(iframe); 
iframe = null ; 
delete empty.constructor; 
delete empty.hasOwnProperty; 
delete empty.propertyIsEnumerable; 
delete empty.isPrototypeOf; 
delete empty.toLocaleString; 
delete empty.toString; 
delete empty.valueOf; 
empty.__proto__ = null ; 
function Empty(){ 
} 
Empty.prototype = empty; 
createEmpty = function (){ 
return new Empty(); 
} 
; 
return new Empty(); 
} 
; 
} 
Object.create = function create(prototype, properties){ 
var object; 
function Type(){ 
} 
if (prototype === null ) { 
object = createEmpty(); 
} 
 else { 
if (typeof prototype !== "object" && typeof prototype !== "function") { 
throw new TypeError("Object prototype may only be an Object or null")
} 
Type.prototype = prototype; 
object = new Type(); 
object.__proto__ = prototype; 
} 
if (properties !== void 0) { 
Object.defineProperties(object, properties); 
} 
return object; 
} 
; 
} 
function doesDefinePropertyWork(object){ 
try { 
Object.defineProperty(object, "sentinel", { 
}
); 
return "sentinel" in object; 
} 
catch (exception) { 
} 
} 
if (Object.defineProperty) { 
var definePropertyWorksOnObject = doesDefinePropertyWork({ 
}
); 
var definePropertyWorksOnDom = typeof document == "undefined" || doesDefinePropertyWork(_AN_Call_createelement("createElement", document, "div")); 
if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) { 
var definePropertyFallback = Object.defineProperty, definePropertiesFallback = Object.defineProperties; 
} 
} 
if (!Object.defineProperty || definePropertyFallback) { 
var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: "; 
var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "; 
var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " + "on this javascript engine"; 
Object.defineProperty = function defineProperty(object, property, descriptor){ 
if (typeof object != "object" && typeof object != "function" || object === null ) { 
throw new TypeError(ERR_NON_OBJECT_TARGET + object)
} 
if (typeof descriptor != "object" && typeof descriptor != "function" || descriptor === null ) { 
throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor)
} 
if (definePropertyFallback) { 
try { 
return definePropertyFallback.call(Object, object, property, descriptor); 
} 
catch (exception) { 
} 
} 
if (owns(descriptor, "value")) { 
if (supportsAccessors && (lookupGetter(object, property) || lookupSetter(object, property))) { 
var prototype = object.__proto__; 
object.__proto__ = prototypeOfObject; 
delete object[property]; 
object[property] = descriptor.value; 
object.__proto__ = prototype; 
} 
 else { 
object[property] = descriptor.value; 
} 
} 
 else { 
if (!supportsAccessors) { 
throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED)
} 
if (owns(descriptor, "get")) { 
defineGetter(object, property, descriptor.get); 
} 
if (owns(descriptor, "set")) { 
defineSetter(object, property, descriptor.set); 
} 
} 
return object; 
} 
; 
} 
if (!Object.defineProperties || definePropertiesFallback) { 
Object.defineProperties = function defineProperties(object, properties){ 
if (definePropertiesFallback) { 
try { 
return definePropertiesFallback.call(Object, object, properties); 
} 
catch (exception) { 
} 
} 
for (var property in properties){ 
if (owns(properties, property) && property != "__proto__") { 
Object.defineProperty(object, property, properties[property]); 
} 
} 
return object; 
} 
; 
} 
if (!Object.seal) { 
Object.seal = function seal(object){ 
return object; 
} 
; 
} 
if (!Object.freeze) { 
Object.freeze = function freeze(object){ 
return object; 
} 
; 
} 
try { 
Object.freeze(function (){ 
} 
); 
} 
catch (exception) { 
Object.freeze = function freeze(freezeObject){ 
return function freeze(object){ 
if (typeof object == "function") { 
return object; 
} 
 else { 
return freezeObject(object); 
} 
} 
; 
} 
(Object.freeze); 
} 
if (!Object.preventExtensions) { 
Object.preventExtensions = function preventExtensions(object){ 
return object; 
} 
; 
} 
if (!Object.isSealed) { 
Object.isSealed = function isSealed(object){ 
return false ; 
} 
; 
} 
if (!Object.isFrozen) { 
Object.isFrozen = function isFrozen(object){ 
return false ; 
} 
; 
} 
if (!Object.isExtensible) { 
Object.isExtensible = function isExtensible(object){ 
if (Object(object) !== object) { 
throw new TypeError()
} 
var name = ""; 
while (owns(object, name)){ 
name += "?"; 
} 
object[name] = true ; 
var returnValue = owns(object, name); 
delete object[name]; 
return returnValue; 
} 
; 
} 
} 
);