title: check if a file exists in a folder actionScript 3
body: <p>I would like to check if the file exists and if not display noimage.gif. The below is returning false in the console, can you help? </p>
  
  <pre><code> ...
  [Bindable]
  private var imageName:String;   
  imageName  = "pca" + this._product.productID + ".jpg";
  
  var fileName:File = new File() 
  fileName.nativePath = "C:/STSMultimediaSync/market/pictures/{imageName}"; 
  trace(fileName.exists);
  ....
  </code></pre>
  
  <p>PS - I know the file exists as when I hard code the image name, the value changes to true.</p>