object.create.js

// Object.create Partial Polyfill with minimum Support for second parameter 
if (!Object.create) {
  Object.create = function(o, props) {
    function F() {}
    F.prototype = o;
    result = new F();
    if (!props) return result; 
    for (var prop in props) {
      if (!props.hasOwnProperty(prop)) continue;
      result[prop] = props[prop].value;
    }
    return result;
  };
}