function hideshowCellPage() {
  if ( document.getElementById('cellPageYes').checked ) {
    
    document.getElementById('serverPaging').style.display='none';
    document.getElementById('noCellPhones').style.display='none';
    document.getElementById('yesCellPhones').style.display='block';
  }
  
  if ( document.getElementById('cellPageNo').checked ) {
  
    document.getElementById('guestPaging').style.display='block';
    document.getElementById('yesCellPhones').style.display='none';
    document.getElementById('noCellPhones').style.display='block';
  }
}