title: JTabbedPane showing all buttons of other tabs at a time
body: <p>I have created one swing application. It contains <code>JTabbedPane</code> at left. Each tab contains <code>JDesktopPane</code> containing different <code>JPanels</code> containing buttons. Everything works fine.</p>
  
  <p>Problem is when I run application then on every tab,when I move mouse over the desktoppane of tab,contents(buttons) of other tab also appear.</p>
  
  <p>This continues for the time when i click each tab single time.After that it works fine.<br>
  Means only before first click tab shows all the buttons present on every tab.<br>
  I am not getting the exact problem. </p>
  
  <p>Can anyone help me?</p>