breite=screen.width;
if (breite<1024)
{
document.writeln("<link rel='stylesheet' href='menu0.css' type='text/css' media='screen, projection' />");
}
else if (breite>1024&&breite<1160)
{
document.writeln("<link rel='stylesheet' href='menu2.css' type='text/css' media='screen, projection' />");
}
else if (breite>=1160)
{
document.writeln("<link rel='stylesheet' href='menu3.css' type='text/css' media='screen, projection' />");
}
else
{
document.writeln("<link rel='stylesheet' href='menu.css' type='text/css' media='screen, projection' />");
}