breite=screen.width;
if (breite<1024)
{
document.writeln("<link rel='stylesheet' href='navig0.css' type='text/css' media='screen, projection' />");
}
else if (breite>1024&&breite<1160)
{
document.writeln("<link rel='stylesheet' href='navig2.css' type='text/css' media='screen, projection' />");
}
else if (breite>=1160)
{
document.writeln("<link rel='stylesheet' href='navig3.css' type='text/css' media='screen, projection' />");
}
else
{
document.writeln("<link rel='stylesheet' href='navig.css' type='text/css' media='screen, projection' />");
}