var vBreite;
vBreite = screen.availWidth;
if (navigator.appName == 'Netscape')
	{
	vBreite = innerWidth;
	}

if (vBreite >= 1000)
	{
	document.write('<style>body {margin-left: 50px; margin-right: 50px;}</style>');
	}

if (vBreite >= 1200)
	{
	document.write('<style>body {margin-left: 80px; margin-right: 80px;}</style>');
	}


if (navigator.appName == 'Netscape')
	{
	document.write('<link rel="stylesheet" href="style-nn.css" type="text/css">');
	}