function Test(){
 if (document.anfrage.name.value == ""){
  document.anfrage.name.style.backgroundColor="#FF9999";
  document.anfrage.name.focus()
  alert("Bitte geben Sie Ihren Namen an!");
  return false;
 }
 if (document.anfrage.email.value == ""){
  document.anfrage.email.style.backgroundColor="#FF9999";
  document.anfrage.email.focus()
  alert("Bitte geben Sie Ihre E-mailadresse an!");
  return false;
 }
 if (document.anfrage.text.value == ""){
  document.anfrage.text.style.backgroundColor="#FF9999";
  document.anfrage.text.focus()
  alert("Bitte geben Sie einen Text ein!");
  return false;
 }
}

function fenster(url,breite,hoehe) {
fenst =  window.open(url,"popup","width="+breite+",height="+hoehe+",left=50,top=50");
}

function hoehe() {
hochcont = document.getElementById("content").offsetHeight + 225;
hochslide = document.getElementById("slideshow").offsetHeight + 225;
if (hochcont > hochslide) {vontop = hochcont;} else {vontop = hochslide;}
document.getElementById("fuss").style.top = vontop+"px";
breitweb1 = document.getElementById("web1").offsetWidth;
breithaupt = document.getElementById("hauptmenue").offsetWidth;
dorthin = breitweb1 - breithaupt - 10;
document.getElementById("hauptmenue").style.left = dorthin+"px";
}

function groesse(gr) {
for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.fontSize = gr+"px";
    }
document.getElementById("content").style.fontSize = gr+"px";
document.getElementById("slideshow").style.fontSize = gr+"px";
hoehe();
var a = new Date();
a = new Date(a.getTime() +1000*60*60);
document.cookie = 'schriftgroessee='+gr+'; expires='+a.toGMTString()+'; path=/';
}

kon = "nein";
function kontr() {
if (kon == "nein"){
for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.color = "#000000";
    }
document.getElementById("content").style.color = "#000000";
document.getElementById("slideshow").style.color = "#000000";
kon = "ja";
var a = new Date();
a = new Date(a.getTime() +1000*60*60);
document.cookie = 'kont=000000; expires='+a.toGMTString()+'; path=/';
}
else
{
for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.color = "#444444";
    }
document.getElementById("content").style.color = "#444444";
document.getElementById("slideshow").style.color = "#444444";
kon = "nein";
var a = new Date();
a = new Date(a.getTime() +1000*60*60);
document.cookie = 'kont=444444; expires='+a.toGMTString()+'; path=/';
}
hoehe();
}