//Browser & Skriptmodell feststellen
var moz = (document.getElementById && !window.opera && !document.all)?1:0;
var ie6 = (document.getElementById && document.all)?1:0;
var ie = (document.all && !ie6)?1:0;
var nn4 = (document.layers)?1:0;
var opVer = navigator.userAgent.split("Opera");
opVer = parseFloat(opVer[opVer.length-1]);
var opMajor = (window.opera && opVer >= 5.1)?1:0;
var opMinor = (window.opera && opVer < 5.1)?1:0;

if(opMinor || nn4 || ((document.all && !document.getElementById) && navigator.appVersion.indexOf('MSIE 4')) )
                      document.location.href = 'wrongbrowser.php';
//gegen framesets
if( window.top != window ) window.top.location = window.location;
//bilder-preload:
var img = new Image;
img.src = 'techPics/menuhover.gif';

function hlight(id)
{
 if(ie6 || moz || opMajor){
     document.getElementById(id).style.backgroundImage = "url('techPics/menuhover.gif')";
 }
}
function llight(id)
{
 if(ie6 || moz || opMajor){
     document.getElementById(id).style.backgroundImage = "url('')";
 }
}