function showHideDiv()  {
  var cbwks = document.getElementById('cbwks');
  var cbserver = document.getElementById('cbserver');
  var divwks = document.getElementById('divwks');  
  var divservers = document.getElementById('divservers');     
	

  if(cbwks.checked==true)
  	{divwks.style.display = 'block';}
  else if(cbwks.checked==false)
  	{divwks.style.display = 'none';}	  
  
  if(cbserver.checked==true)
  	{divservers.style.display = 'block';}
  else if(cbserver.checked==false)
  	{divservers.style.display = 'none';}	
}