function pruefe_mail()
{
 if(document.mail.email.value == "")
  {
  alert("Bitte geben Sie Ihre Email-Adresse an!");
  document.mail.email.focus();
  return false;
  }

 if(document.mail.email.value.indexOf('@') == -1)
  {
  alert("Das ist keine gültige E-Mail-Adresse!");
  document.mail.email.focus();
  return false;
  }

 if(document.mail.betreff.value == "")
  {
  alert("Bitte geben Sie einen Betreff an");
  document.mail.betreff.focus();
  return false;
  }

 if(document.mail.text.value == "")
  {
  alert("Kein Text?");
  document.mail.text.focus();
  return false;
  }

  else
   {
   document.mail.action='mail_send.php';
   }
}

function einblenden(div)
  {
    document.getElementById(div).style.display = "block";
    document.getElementById("text").style.display = "none";
  }
  function ausblenden(div)
  {
    document.getElementById(div).style.display = "none";
    document.getElementById("text").style.display = "block";
  }

function pruefe_newentry()
{
 if(document.entry.name.value == "")
  {
  alert("Bitte gib Deinen Namen an!");
  document.entry.name.focus();
  return false;
  }

if(document.entry.text.value == "")
  {
  alert("Kein Text?");
  document.entry.text.focus();
  return false;
  }

  else
   {
   document.entry.action='save_newentry.php';
   }
}

function home()
  {
  document.home.submit();
  }
function band()
  {
  document.band.submit();
  }
function songs()
  {
  document.songs.submit();
  }
function pics()
  {
  document.pics.submit();
  }
function gigs()
  {
  document.gigs.submit();
  }
function presse()
  {
  document.presse.submit();
  }
function guestbook()
  {
  document.guestbook.submit();
  }
function kontakt()
  {
  document.kontakt.submit();
  }
function downloads()
  {
  document.downloads.submit();
  }
function links()
  {
  document.links.submit();
  }
function imp()
  {
  document.imp.submit();
  }
function shop()
  {
  document.shop.submit();
  }
function zurueck()
  {
  document.bild.submit();
  }
function new_entry()
  {
  document.new_entry.submit();
  }