function FensterOeffnenkform (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=700,height=550,innerWidth=650px,innerHeight=580px,dependent=yes,location=no,menubar=no,resizeable=no,scrollbars=yes,status=no, toolbar=no");
  Fenster1.focus();
}
function FensterOeffnenblog (Adresse) {
  Fenster3 = window.open(Adresse, "Zweitfenster");
  Fenster3.focus();
}
function FensterOeffnenvol (Adresse) {
  Fenster13 = window.open(Adresse, "Zweitfenster");
  Fenster13.focus();
}
function FensterOeffnenlink (Adresse) {
  Fenster4 = window.open(Adresse, "Zweitfenster");
  Fenster4.focus();
}
function FensterOeffnenimg (Adresse) {
  Fenster2 = window.open(Adresse, "Zweitfenster", "width=650,height=500,dependent=yes,location=no,menubar=no,resizeable=no,scrollbars=yes,status=no, toolbar=no");
  Fenster2.focus();
}
function chkFormular () {
  if (document.getElementById("formkut").Vorname.value == "") {
    alert("Wie heißen Sie mit Vorname?");
    document.getElementById("formkut").Vorname.focus();
    return false;
  }
  if (document.getElementById("formkut").Nachname.value == "") {
    alert("Wie heißen Sie mit Nachname?");
    document.getElementById("formkut").Nachname.focus();
    return false;
  }
  if (document.getElementById("formkut").Email.value == "") {
    alert("Wie lautet Ihre E-Mail-Adresse?");
    document.getElementById("formkut").Email.focus();
    return false;
  }
  if (document.getElementById("formkut").Email.value.indexOf("@") == -1) {
    alert("Wie lautet Ihre E-Mail-Adresse?");
    document.getElementById("formkut").Email.focus();
    return false;
  }
  if (document.getElementById("formkut").Anliegen.value == "") {
    alert("Wie kann ich Ihnen helfen?");
    document.getElementById("formkut").Anliegen.focus();
    return false;
  }
}
function chkFormularen () {
  if (document.getElementById("formkut").firstname.value == "") {
    alert("What is your first name?");
    document.getElementById("formkut").firstname.focus();
    return false;
  }
  if (document.getElementById("formkut").lastname.value == "") {
    alert("What is your last name?");
    document.getElementById("formkut").lastname.focus();
    return false;
  }
  if (document.getElementById("formkut").email.value == "") {
    alert("What is your e-mail address?");
    document.getElementById("formkut").email.focus();
    return false;
  }
  if (document.getElementById("formkut").email.value.indexOf("@") == -1) {
    alert("What is your e-mail address?");
    document.getElementById("formkut").email.focus();
    return false;
  }
  if (document.getElementById("formkut").request.value == "") {
    alert("What is your request?");
    document.getElementById("formkut").request.focus();
    return false;
  }
}


function visyn(thisid){
for (anzahllyrics=1;anzahllyrics<=13;anzahllyrics++){
var allly="tly"+anzahllyrics;
var alllybg="ly"+anzahllyrics;
document.getElementById(allly).style.display="none";
document.getElementById(alllybg).style.backgroundColor="";}

var thisidly="t"+thisid;
document.getElementById(thisidly).style.display="block";
document.getElementById(thisid).style.backgroundColor="#000000";
}

function visynb(thisid){
for (anzahllyrics=1;anzahllyrics<=3;anzahllyrics++){
var allly="tly"+anzahllyrics;
var alllybg="ly"+anzahllyrics;
document.getElementById(allly).style.display="none";
document.getElementById(alllybg).style.backgroundColor="";}

var thisidly="t"+thisid;
document.getElementById(thisidly).style.display="block";
document.getElementById(thisid).style.backgroundColor="#000000";
}