// sprache toggeln

function togglelocation() {
		
url = location.href;
var sprache;
langde = url.lastIndexOf("/de/");
langen = url.lastIndexOf("/en/");
	
if (langde == -1) { sprache = "englisch" }
else { sprache = "deutsch";}
	
switch (sprache) {
case "englisch": newlocation = url.replace(/\/en\//g, "/de/"); 
break;
case "deutsch": newlocation = url.replace(/\/de\//g, "/en/"); 
break;
}
location.href = newlocation; }

// layer sichtbar/unsichtbar

function showhide_layers(layer1,layer2,layer3) {

document.getElementById(layer1).style.visibility = "visible" ; 
document.getElementById(layer2).style.visibility = "hidden" ; 
document.getElementById(layer3).style.visibility = "hidden" ; 

}

// alle layer unsichtbar

function hide_all(layer1,layer2,layer3) {

document.getElementById(layer1).style.visibility = "hidden" ; 
document.getElementById(layer2).style.visibility = "hidden" ; 
document.getElementById(layer3).style.visibility = "hidden" ; 

}

if (document.images) {

var lupe_up = new Image()
lupe_up.src = "../../imgtop/lupe_up.gif"

var lupe_ov = new Image()
lupe_ov.src = "../../imgtop/lupe_ov.gif"

}

// swap imgs
function swapimgs(id,name) {
if (document.images) document.images[id].src=eval(name+".src");
}