function display() 
{
document.write('<div style="height: 91px; width: 182px; border-style: none; ">'); 
document.write('<div id="chatOpen" style="visibility: hidden; position: absolute; border-style: none; "><a href="" target="_blank"  onClick="openChat(); return false; "><img src="/412568AF004881F2/alldocs/DOCURAN-7ZDGZ6/$File/chatOpen.jpg" alt="" style="border: none;" /></a>'); 
document.write('</div>'); 

document.write('<div id="chatClosed" style="visibility: visible; position: absolute; border: none; "><img src="/412568AF004881F2/alldocs/DOCURAN-7YXFPY/$File/chat_lukket.jpg" alt="" style="border: none;" />');
document.write('</div>'); 
document.write('</div>');

   var tid = new Date();
   var kl = tid.getHours();

  var objOpen = document.getElementById('chatOpen');  
   var objClosed = document.getElementById('chatClosed');

   if (kl >= 9 && kl <= 21) {
      objOpen.style.visibility = 'visible';
      objClosed.style.visibility = 'hidden';
   }
}

function openChat()
{
openChat = window.open("/412568B30049A81F/alldocs/DOC-chat-samtykke", "chatVin", "toolbar=no, menubar=no, location=no, scrollbars=no, statusbar=no, width=475, height=400");
}