function prufung()
{
  if(document.fragen.nachname.value == "")
   {
    alert("Please fill in your surname !");
	return false;
  }
  if(document.fragen.strasse.value == "")
   {
    alert("Please fill in your street !");
	return false;
  }
  if(document.fragen.plz.value == "")
   {
    alert("Please fill in your postal code!");
	return false;
   }
  if(document.fragen.ort.value == "")
   {
    alert("Please fill in your town !");
	return false;
   }
  if(document.fragen.land.value == "")
   {
    alert("Please fill in your country !");
	return false;
   }
   if(document.fragen.email.value == "")
   {
    alert("Please fill in your e-mail-adress !");
	return false;
   }
 
  return true; 
}

function neuesfenster(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

var isNS = (navigator.appName == "Netscape") ? 1 : 0;
var EnableRightClick = 0;
if(isNS) 
document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
function mischandler(){
  if(EnableRightClick==1){ return true; }
  else {return false; }
}
function mousehandler(e){
  if(EnableRightClick==1){ return true; }
  var myevent = (isNS) ? e : event;
  var eventbutton = (isNS) ? myevent.which : myevent.button;
  if((eventbutton==2)||(eventbutton==3)) return false;
}
function keyhandler(e) {
  var myevent = (isNS) ? e : window.event;
  if (myevent.keyCode==96)
    EnableRightClick = 1;
  return;
}
document.oncontextmenu = mischandler;
document.onkeypress = keyhandler;
document.onmousedown = mousehandler;
document.onmouseup = mousehandler;

if (top == self) self.location.href = "index.html"