function BlindIt(TheElement) {
Spry.Effect.DoBlind(TheElement, {duration: 500, from: '100%', to: '0%', toggle: true});
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function INaktiv_1() {
for (var i = 0; i < document.links.length; i++) {
if (document.links[i].className == 'aktiv_1') document.links[i].className = '';
}
}

function INaktiv_2() {
for (var i = 0; i < document.links.length; i++) {
if (document.links[i].className == 'aktiv_2') document.links[i].className = '';
}
}

function INaktiv_3() {
for (var i = 0; i < document.links.length; i++) {
if (document.links[i].className == 'aktiv_3') document.links[i].className = '';
}
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function Ebenen_3_zu() {
INaktiv_2();
INaktiv_3();
for (var i = 0; i < document.getElementsByTagName('div').length; i++) {
if (document.getElementsByTagName('div')[i].className.substr(0, 7) == 'Ebene_3' && document.getElementsByTagName('div')[i].offsetHeight > 0) BlindIt(document.getElementsByTagName('div')[i]);
}
}

function Ebenen_2_zu() {
INaktiv_1();
Ebenen_3_zu();
for (var i = 0; i < document.getElementsByTagName('div').length; i++) {
if (document.getElementsByTagName('div')[i].className.substr(0, 7) == 'Ebene_2' && document.getElementsByTagName('div')[i].offsetHeight > 0) BlindIt(document.getElementsByTagName('div')[i]);
}
}

function Ebene_2(DieEbene_2) {
INaktiv_1();
Ebenen_3_zu();
for (var i = 0; i < document.getElementsByTagName('div').length; i++) {
if (document.getElementsByTagName('div')[i].className != DieEbene_2 && document.getElementsByTagName('div')[i].className.substr(0, 7) == 'Ebene_2' && document.getElementsByTagName('div')[i].offsetHeight > 0) BlindIt(document.getElementsByTagName('div')[i]);
if (document.getElementsByTagName('div')[i].className == DieEbene_2 && document.getElementsByTagName('div')[i].offsetHeight < 1) BlindIt(document.getElementsByTagName('div')[i]);
}
}

function Ebene_3(DieEbene_3) {
INaktiv_2();
INaktiv_3();
for (var i = 0; i < document.getElementsByTagName('div').length; i++) {
if (document.getElementsByTagName('div')[i].className != DieEbene_3 && document.getElementsByTagName('div')[i].className.substr(0, 7) == 'Ebene_3' && document.getElementsByTagName('div')[i].offsetHeight > 0) BlindIt(document.getElementsByTagName('div')[i]);
if (document.getElementsByTagName('div')[i].className == DieEbene_3 && document.getElementsByTagName('div')[i].offsetHeight < 1) BlindIt(document.getElementsByTagName('div')[i]);
}
}