#ho { 
background-image:url(../buttons/ho1.jpg); 
}

#ho:hover { 
background-image:url(../buttons/ho2.jpg); 
}

#mu { 
background-image:url(../buttons/mu1.jpg); 
}

#mu:hover { 
background-image:url(../buttons/mu2.jpg); 
}

#nwt { 
background-image:url(../buttons/nwt1.jpg); 
}

#nwt:hover { 
background-image:url(../buttons/nwt2.jpg); 
}

#ph { 
background-image:url(../buttons/ph1.jpg); 
}

#ph:hover { 
background-image:url(../buttons/ph2.jpg); 
}

#fliegen { 
background-image:url(../buttons/fliegen1.jpg); 
}

#fliegen:hover { 
background-image:url(../buttons/fliegen2.jpg); 
}

#astro { 
background-image:url(../buttons/astro1.jpg); 
}

#astro:hover { 
background-image:url(../buttons/astro2.jpg); 
}

#pr { 
background-image:url(../buttons/pr1.jpg); 
}

#pr:hover { 
background-image:url(../buttons/pr2.jpg); 
}