if (parent.frames.length != 1)
    {
     top.location.href = "http://www.rosanamueller.com";
    }

//Kontextmenue
//document.oncontextmenu = keinkontext;
//function keinkontext()
//{
 //return false;
//}

function checkForm()
{
 if(document.guest.name.value == "")
 {
  alert("Please insert your name!");
        document.guest.name.focus();
        return false;
 }
 if(document.guest.email.value == "")
  {
  alert("Please insert your email!");
         document.guest.email.focus();
         return false;
  }
  if(document.guest.email.value.indexOf('@') <= 0)
  {
  alert("Not valid email!");
        document.guest.email.focus();
        return false;
  }
  if(document.guest.message.value == "")
  {
  alert("Please insert your message!");
         document.guest.message.focus();
         return false;
  }
}


//Nachrichtenfenster
function start()
{
 F1 = window.open("./nachricht/","fenster01","width=370,height=250,left=10,top=112");
}