title: screen flicker with mxGraph and svg image
body: <p>i am working on a problem where the background image set in mxGraph is downloading the image when the user moves any object on the screen. </p>
  
  <p>I can see in the firebug and chrome the mxClient.js is downloading the image causing this flicker .  The following is the code from that script.</p>
  
  <pre><code>           this.shiftPreview1.parentNode.removeChild(this.shiftPreview1);
             this.shiftPreview1 = null;
             this.container.appendChild(c.parentNode);
  </code></pre>
  
  <p>i can see that when the appendChild is called the browser downloads the image.  So is there anyway in java script/mxgraph where i can avoid this . </p>
  
  <p>Can appendChild on a container take the image from the cache instead of downloading again ? </p>