// IF AGENTS ARE AVAILABLE:
    function agents_available() 
    {
      document.getElementById('smartbutton').innerHTML = 
        '<A HREF="" onClick="window.open(\'https://admin.instantservice.com/links/5571/8889\',' + 
        '\'custclient\',\'width=600,height=400,scrollbars=0\');return false;">' + 
        '<img src="images/nav_webchat.gif" alt="" border="0" name="Live Web Chat"></A>';
      return true;
    }
    // IF AGENTS ARE NOT AVAILABLE:
    function agents_not_available() 
    {
      document.getElementById('smartbutton').innerHTML = 
        '';
      return true;
    }
  //-->