var i = "start";
var j = "ber0";
var k = "A";
var l = "A_aktiv";

var ua = navigator.userAgent;

if (ua.indexOf("MSIE") >= 0) {
     browser = "ie";
} else {
     browser = "ns";
     }
if (browser == "ns" && document.getElementById) {
     browser = "ns6";
     }




function wechsel(seite,subnav,nav1)
{
// Naslednje vrstice menjajo vsebino glavnega okvirja in levega okvirja z menuji: 
   if (seite == "presseaktuell.html")
   { parent.inhalt.location.href = "http://presse.rittal.de/" + inhalt; }
   if (seite == "suche")
   { parent.inhalt.location.href = "http://www2.rittal.de/de/Produkte/Produktsuche/index.asp?lang=GB" }
   else if (seite != "")
   { parent.inhalt.location.href = seite; }
   if (subnav != '')
   { parent.subnav.location.href = "" + subnav; }
// =============================

var zw = nav1.substr(0,1);
switch(zw) {
 case "a": ber = 'ber1';
 break;
 case "b": ber = 'ber2';
 break;
 case "c": ber = 'ber3';
 break;
 case "d": ber = 'ber4';
 break;
 case "e": ber = 'ber5';
 break;
 default : ber = 'ber0';
 break;
}

verbergen(eval('"'+ i +'"'));
zeigen(eval('"' + nav1 +'"'));
i = nav1;

verbergen(eval('"'+ j +'"'));
zeigen(eval('"' + ber +'"'));
j = ber;

xshow(eval('"'+ zw.toUpperCase() +'"'));

}


function xshow(nav)
{
verbergen(eval('"'+ k +'"'));
zeigen(eval('"' + nav +'"'));
k = nav;

verbergen(eval('"'+ l +'"'));
zeigen(eval('"' + nav +'_aktiv"'));
l = nav + '_aktiv';
}

function verbergen(name) {
   switch(browser) {
    case "ie":  document.all[''+name].style.visibility = "hidden";
    break;
    case "ns":  document.layers[''+name].visibility = "hide";
    break;
    case "ns6": document.getElementById(''+name).style.visibility = "hidden";
    break;
   }
}

function zeigen(name) {
   switch(browser) {
    case "ie":  document.all[''+name].style.visibility = "visible";
    break;
    case "ns":  document.layers[''+name].visibility = "show";
    break;
    case "ns6": document.getElementById(''+name).style.visibility = "visible";
    break;
   }
}