title: how to access movie clip inside mask layer
body: <p>i have layer with action script code.
  example of part of the code..</p>
  
  <pre><code>var allMC = new Array();
  allMC[0] = allitems_1.item_1;
  allMC[1] = allitems_1.item_2;
  allMC[2] = allitems_1.item_3;
  allMC[3] = allitems_1.item_4;
  </code></pre>
  
  <p>this code store reference to mc inside an array.
  everything is working perfect.</p>
  
  <p>but when i convert this layer to mask layer and run the flash it says:</p>
  
  <p>Scene 1, Layer 'background', Frame 1, Line 56   1120: Access of undefined property allitems_1.</p>
  
  <p>*allitems1 is also the name i set for the movie clip instance on the stage.</p>