var normalfeld = '1px solid #888888';
var fehlerfeld = '2px solid #d8021e';

function checkfields ()
{
  var ok = false;
  
  var name_value = getObj ('username').value;
  //var email_value = getObj ('email').value;
  var num_value = getObj ('frage').value;
  var cmt_value = getObj ('kommentar').value;
  
  ok = (name_value != '') /*&& (email_value != '')*/ && (num_value != '') && (cmt_value != '');
       
  // if (email_value.lastIndexOf ("@") == -1) ok = false;
    
  if (num_value.length != 5)
    ok = false;
    
  getObj ('username').style.border = name_value == "" ? fehlerfeld : normalfeld;
  // getObj ('email').style.border = (email_value == "" || email_value.lastIndexOf ("@") == -1) ? fehlerfeld : normalfeld;
  getObj ('frage').style.border = (num_value == "" || num_value.length != 5) ? fehlerfeld : normalfeld;
  getObj ('kommentar').style.border = cmt_value == "" ? fehlerfeld : normalfeld;
  
  return ok;
}

function togglenewEntry ()
{
  var objtable = getObj ('neweintrag');
  if (objtable)
  {
      objtable.style.display = (objtable.style.display=='none') ? "block" : "none";
      
      if (objtable.style.display=='block')
          getObj ('email').focus ();
  }
}

function ask (frage, url)
{
  var deleteEntry = confirm (frage);
  if (deleteEntry)
  {
    location.href = url;
  }
}