// JavaScript Document
<!-- hide 
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") { 
RusUp= new Image(); RusUp.src = "bilder/rus_dark.gif"; 
RusOver = new Image(); RusOver.src = "bilder/rus.gif"; 
GerUp= new Image(); GerUp.src = "bilder/ger_dark.gif"; 
GerOver = new Image(); GerOver.src = "bilder/ger.gif"; 
}

function swap(imgName,select) 
{ if (browser == "ok") 
	{imgOn = eval(select+ ".src"); 
		document.images[imgName].src = imgOn; }
} 
// -->