function agents_available() 
  {
   document.getElementById('smartbutton').innerHTML = '' +
   '<A HREF="" onClick="window.open(\'https://admin.instantservice.com/links/6329/24598\',' + 
   '\'custclient\',\'width=500,height=320,scrollbars=0\');return false;">' + 
   '<IMG SRC="https://admin.instantservice.com/brands/instantservice/images/clickhere.gif" style="border: none;"></A>';
   return true;
  }
  // IF AGENTS ARE NOT AVAILABLE:
  function agents_not_available() 
  {
   document.getElementById('smartbutton').innerHTML = '';
   return true;
  }