title: Error: "Origin null is not allowed by Access-Control-Allow-Origin" when loading an XML file with JQuery's ajax method
body: <p>This is my code:</p>
  
  <pre><code>this.loadMap = function () {
      this._map = null;
      this._width = 0;
      this._height = 0;
      this._playerX = 0;
      this._playerY = 0;
      this.finished = false;
      this.loaded = false;
      $.ajax({
          type: "GET",
          url: "maze1.xml",
          dataType: "xml",
          success: this.parseXmlMap,
          context: this
      });
  };
  </code></pre>
  
  <p>The error i'm getting is </p>
  
  <blockquote>
    <p>"XMLHttpRequest cannot load
    file:///C:/wamp/www/mazegame/maze1.xml.
    Origin null is not allowed by
    Access-Control-Allow-Origin".</p>
  </blockquote>
  
  <p>This same script works fine in Firefox</p>