title: Specify temporary directory in .jnlp
body: <p>I'm accessing a java applet that is running on a website (which i can't access/modify the content) you can find the applet here : xxx</p>
  
  <p>I want to be able to specify a temporary folder at start because if i have two instances of that applet running they will overlap the files, they store in the same temporary folder.</p>
  
  <p>I wonder if it's every possible to tell the applet to write in a specified temporary folder.</p>
  
  <p>Tried to add property :</p>
  
  <pre><code>&lt;property name="java.io.tmpdir" value="/tmp/user1" /&gt;
  </code></pre>
  
  <p>But doesn't work.</p>
  
  <p>Any idea ?</p>