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

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

if (browser == "ok") { 
Link11= new Image(); Link11.src = "maindata/images/sponsoren_rechts/itplanet.jpg"; 
Link11on = new Image(); Link11on.src = "maindata/images/sponsoren_rechts/itplanet_on.jpg"; 
Link12= new Image(); Link12.src = "maindata/images/sponsoren_rechts/eduel_off.jpg"; 
Link12on = new Image(); Link12on.src = "maindata/images/sponsoren_rechts/eduel_on.jpg"; 
Link13= new Image(); Link13.src = "maindata/images/sponsoren_rechts/n64_off.jpg"; 
Link13on = new Image(); Link13on.src = "maindata/images/sponsoren_rechts/n64_on.jpg";
Link14= new Image(); Link14.src = "maindata/images/sponsoren_rechts/shellfire.jpg"; 
Link14on = new Image(); Link14on.src = "maindata/images/sponsoren_rechts/shellfire_on.jpg";
Link15= new Image(); Link15.src = "maindata/images/sponsoren_rechts/rns_off.jpg"; 
Link15on = new Image(); Link15on.src = "maindata/images/sponsoren_rechts/rns_on.jpg";
Link16= new Image(); Link16.src = "maindata/images/sponsoren_rechts/benric_off.jpg"; 
Link16on = new Image(); Link16on.src = "maindata/images/sponsoren_rechts/benric_on.jpg";
}

function swap(imgName,select) 

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