function switchLayer(test) {

    // var layerWMS
    // var layerWMSStadt = ["WMS_stadtkarte"]
    // var frameworkWMS = vcs.vcm.Framework.getInstance();
    // var layersWMS = frameworkWMS.getLayers();
    // for (var i = 0; i< layersWMS.length; i++) {
    //   var layerst = layersWMS[i];
    //   if(layerWMSStadt.indexOf(layerst.name) >= 0) {
    //     layerWMS = i
    // }}
   

    var layerNamesToActivate = ["WMS_stadtkarte"]
    var layerNamesToActivate2 = ["WMS layer"]
    var layers = framework.getLayers();



    var Slayer = document.getElementById("SLayerChange");
    if (Slayer.checked == true){
        document.getElementById("selectedMap").innerHTML = "Schematische Karte"
        for (var i = 0; i< layers.length; i++) {
            var layer = layers[i];
        if(layerNamesToActivate.indexOf(layer.name) >= 0) {
            layer.activate(true);
            }  }   
        for (var i = 0; i< layers.length; i++) {
        var layer = layers[i];
        
        if(layerNamesToActivate2.indexOf(layer.name) >= 0) {
            layer.activate(false);
        }
        }
       
    } else {
        document.getElementById("selectedMap").innerHTML = "Orthofoto"
        for (var i = 0; i< layers.length; i++) {
            var layer = layers[i];
        if(layerNamesToActivate.indexOf(layer.name) >= 0) {
            layer.activate(false);
            } }   
            for (var i = 0; i< layers.length; i++) {
            var layer = layers[i];
            
            if(layerNamesToActivate2.indexOf(layer.name) >= 0) {
              layer.activate(true);
            }
          }

    }

}