function ShowDiv(thisDIV) {
    document.getElementById(thisDIV).style.display = 'block';
    var number = thisDIV.substr(-2,2);

    document.getElementById('link' + number).style.backgroundImage = "url('http://auswahlleiste.incrovision.de/images/leiste_button_bg_hover.jpg')";
    document.getElementById('link' + number).style.backgroundPosition = "center top";
    document.getElementById('link' + number).style.backgroundRepeat = "repeat-x";
}
function ShowDiv2(thisDIV) {
    document.getElementById(thisDIV).style.display = 'block';
    var number = thisDIV.substr(-2,2);

    document.getElementById('link' + number).style.color = "#3B3C3B";
    document.getElementById('link' + number).style.backgroundImage = "url('http://auswahlleiste.incrovision.de/images/leiste_auswahl_hover.png')";
    document.getElementById('link' + number).style.backgroundPosition = "center top";
    document.getElementById('link' + number).style.backgroundRepeat = "repeat-x";
}

function HideDiv(thisDIV) {
    document.getElementById(thisDIV).style.display = 'none';
    var number = thisDIV.substr(-2,2);

    document.getElementById('link' + number).style.background = "none";
}
function HideDiv_set(thisDIV) {
    document.getElementById(thisDIV).style.display = 'none';
    var number = thisDIV.substr(-2,2);

    document.getElementById('link' + number).style.backgroundImage = "url('http://auswahlleiste.incrovision.de/images/leiste_button_bg_hover.jpg')";
    document.getElementById('link' + number).style.backgroundPosition = "center top";
    document.getElementById('link' + number).style.backgroundRepeat = "repeat-x";
}
function HideDiv2(thisDIV) {
    document.getElementById(thisDIV).style.display = 'none';
    var number = thisDIV.substr(-2,2);

    document.getElementById('link' + number).style.color = "#989B97";
    document.getElementById('link' + number).style.background = "url('http://auswahlleiste.incrovision.de/images/leiste_auswahl_norm.png')";
    document.getElementById('link' + number).style.backgroundPosition = "center top";
    document.getElementById('link' + number).style.backgroundRepeat = "no-repeat";
}