var win= null;
function FensterNeu(mypage,w,h,n)
{
  var scroll = "no";

  var winl = (screen.width-w)/2 - 4;
  var wint = (screen.height-h)/2 + 6;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=no';
  win=window.open(mypage,n,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

function FensterNeuer(mypage,w,h,n)
{
  var scroll = "yes";

  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=no';
  win=window.open(mypage,n,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

function FensterN(mypage,w,h,n)
{
  var scroll = "yes";

  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=yes';
  win=window.open(mypage,n,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

function FensterFrei(mypage,n)
{
  var scroll = "yes";

  var settings  ='height='+screen.Height+',';
      settings +='width='+screen.Width+',';
      settings +='top=0,';
      settings +='left=0,';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=yes';
  win=window.open(mypage,n,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

function FensterSchliessenSelf(mypage)
{
	win=opener.location.href = mypage;

	window.close();
}

function showBg() {
	var bg = document.getElementById('bg');
	if(bg) bg.style.display = 'block';
}

function hideBg() {
	var bg = document.getElementById('bg');
	if(bg) bg.style.display = 'none';
}

function realignBg()
{
	swd = document.all ? document.body.offsetWidth : window.innerWidth;
	pos = 196;
	if(document.layers)
	{
		bgp = document.layers["bg"];
		bgp.left = pos;
	}
	else
	{
		if(document.documentElement) bgp = document.getElementById("bg");
		else if(document.all) bgp = document.all["bg"];
		bgp.style.left = pos + "px";
	}
}