browserName = navigator.appName; 
browserVer = parseInt(navigator.appVersion); 
browser = "NotOk"; 

// Detect if Netscape or MSIE version is ok 

if (browserName == "Netscape" && browserVer >= 3) { browser = "ok"} 
if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) { browser = "ok"} 

// Initialize your images

if (browser == "ok") { 


Link1= new Image(); Link1.src = "../images/home.gif"; 
Link1on = new Image(); Link1on.src = "../images/home_over.gif"; 
Link2= new Image(); Link2.src = "../images/seo.gif"; 
Link2on = new Image(); Link2on.src = "../images/seo_over.gif"; 
Link3= new Image(); Link3.src = "../images/analyse1.gif"; 
Link3on = new Image(); Link3on.src = "../images/analyse1_over.gif"; 
Link4= new Image(); Link4.src = "../images/webkatalog1.gif"; 
Link4on = new Image(); Link4on.src = "../images/webkatalog1_over.gif"; 
Link5= new Image(); Link5.src = "../images/partner1.gif"; 
Link5on = new Image(); Link5on.src = "../images/partner1_over.gif"; 
Link6= new Image(); Link6.src = "../images/impressum.gif"; 
Link6on = new Image(); Link6on.src = "../images/impressum_over.gif"; 

}

function swap(imgName,select) 

{ if (browser == "ok") {imgOn = eval(select+ ".src"); 
document.images[imgName].src = imgOn; }}

function zeit(){

var datum = new Date()
var stunde = datum.getHours()
var minute = datum.getMinutes() 
var sekunde = datum.getSeconds()

if (stunde<10) stunde="0"+stunde;
if (minute<10) minute="0"+minute; 
if (sekunde<10) sekunde="0"+sekunde;

document.getElementById("uhrzeit").innerText = (stunde + ":" +minute + ":" + sekunde); 

}
var aufruf = window.setInterval("zeit()", 1000)