/*
NN4 can't handle @media and needs a different CSS anyway, so we hand 
over the CSS this way.
*/
if (document.layers)
{
	document.write('<link rel="stylesheet" type="text/css" href="css/old.css" />');
	document.write('<h3>Sie benutzen einen sehr alten Browser.</h3><p>Da diese Homepage modern programmiert ist kann ein solch alter Browser das Design nicht korrekt umsetzen. Sie können aber dennoch auf alle Inhalte zugreifen.</p>');
}

/*
IE 5 on Mac can't handle @media, so we hand over the CSS this way.
*/
if ((navigator.appName == "Microsoft Internet Explorer") &&
		(navigator.appVersion.indexOf("MSIE 5") != "-1") &&
		(navigator.appVersion.indexOf("Mac") != "-1"))
{
	document.write('<link rel="stylesheet" type="text/css" href="css/screen.css" media="screen" />');
	document.write('<link rel="stylesheet" type="text/css" href="css/print.css" media="print" />');
}


function linkTo(url,idNr)
{
	if (document.getElementById)
	{
		document.getElementById(idNr).style.backgroundColor = "#ffffce";
		location.href = url;
	}
}

function turnOn(idNr)
{
	if (document.getElementById)
	{
		document.getElementById(idNr).style.backgroundColor = "#d2d2d2";
	}

}

function turnOff(idNr)
{
	if (document.getElementById)
	{
		document.getElementById(idNr).style.backgroundColor = "#eee";
	}
}

function popwin()
{
  intro=window.open("tarifrechner.php","intro","width=650,height=256,screenX=0,screenY=0,resizable=no,locationbar=no,menubar=no");
  if ((screen.availHeight <= 600) || (screen.availWidth <= 800))
	{
    intro.moveTo(0,0);
  }
  else
	{
    intro.moveTo(((screen.availWidth - 650)/2),((screen.availHeight - 256)/2));
  }
}