function agents_available() 
   {
    document.getElementById('smartbutton').innerHTML = 
    '<a href="" onClick="window.open(\'https://admin.instantservice.com/links' +
    '/7606/43099\',\'chat_client\',\'width=600,height=324,scrollbars=0\');' +
    'return false;"><img src="http://www.michaelshouse.com/images/reponline.gif" border="0"></a>';
    return true;
   }
  function agents_not_available() 
   {
    document.getElementById('smartbutton').innerHTML = 
    '<a href="mailto:frnservices@gmail.com"><img src="http://www.michaelshouse.com/images/repoffline.gif" border="0"></a>';
    return true;
   }