function over1() {
    document.nav1.src = 'startseite2.jpg';
}

function out1()  {
    document.nav1.src = 'startseite.jpg';
}

function over2() {
    document.nav2.src = 'satzung2.jpg';
}

function out2()  {
    document.nav2.src = 'satzung.jpg';
}

function over3() {
    document.nav3.src = 'geschichte2.jpg';
}

function out3()  {
    document.nav3.src = 'geschichte.jpg';
}

function over4() {
    document.nav4.src = 'verein2.jpg';
}

function out4()  {
    document.nav4.src = 'verein.jpg';
}

function over5() {
    document.nav5.src = 'wohin2.jpg';
}

function out5()  {
    document.nav5.src = 'wohin.jpg';
}

function over6() {
    document.nav6.src = 'bilder2.jpg';
}

function out6()  {
    document.nav6.src = 'bilder.jpg';
}

function over7() {
    document.nav7.src = 'termine2.jpg';
}

function out7()  {
    document.nav7.src = 'termine.jpg';
}

function over8() {
    document.nav8.src = 'ausruestung2.jpg';
}

function out8()  {
    document.nav8.src = 'ausruestung.jpg';
}

function over9() {
    document.nav9.src = 'impressum2.jpg';
}

function out9()  {
    document.nav9.src = 'impressum.jpg';
}
function over10() {
    document.nav10.src = 'preise2.jpg';
}

function out10()  {
    document.nav10.src = 'preise.jpg';
}