defaultStatus ="OTTO A. BERTRAM";
function laden(){
var layer = document.getElementById('main');
layer.style.visibility = "visible";
var layer_2 = document.getElementById('laden_layer');
layer_2.style.visibility = "hidden";
}


function da(layerid){
var layer = document.getElementById(layerid);
layer.style.visibility = "visible";
}
function weg(layerid){
var layer = document.getElementById(layerid);
layer.style.visibility = "hidden";
}
function da1(layerid_1,layerid_2,layerid_3,layerid_4){
var layer1 = layerid_1;
var layer2 = layerid_2;
var layer3 = layerid_3;
var layer4 = layerid_4;
document.getElementById(layer1).style.visibility = "visible";
document.getElementById(layer2).style.visibility = "hidden";
document.getElementById(layer3).style.visibility = "hidden";
document.getElementById(layer4).style.visibility = "hidden";
}
function da2(layerid_5,layerid_6,layerid_7){
var layer5 = layerid_5;
var layer6 = layerid_6;
var layer7 = layerid_7;
document.getElementById(layer5).style.visibility = "visible";
document.getElementById(layer6).style.visibility = "hidden";
document.getElementById(layer7).style.visibility = "hidden";
}
function wegmenue(){
document.getElementById('sheet_kontakt').style.visibility = "hidden";
document.getElementById('sheet_impressum').style.visibility = "hidden";
document.getElementById('sheet_projekte').style.visibility = "hidden";
}