browserName=navigator.appName;
browserVer=Math.round(parseFloat(navigator.appVersion));
        // if (browserName == "Netscape" && browserVer >= 3) version="n3";
        // else version="n2";
 
        
        // if (version == "n3")
	{
        nav1on=new Image(128, 17);
        nav1on.src="gk-bilder/home2.gif";
        nav1off=new Image(128, 17);
        nav1off.src="gk-bilder/home1.gif";
        }

	{
        nav2on=new Image(110, 17);
        nav2on.src="gk-bilder/wir2.gif";
        nav2off=new Image(110, 17);
        nav2off.src="gk-bilder/wir1.gif";
        }

	{
        nav3on=new Image(128, 17);
        nav3on.src="gk-bilder/kontakt2.gif";
        nav3off=new Image(128, 17);
        nav3off.src="gk-bilder/kontakt1.gif";
        }

	{
        nav4on=new Image(110, 17);
        nav4on.src="gk-bilder/liefergebiet2.gif";
        nav4off=new Image(110, 17);
        nav4off.src="gk-bilder/liefergebiet1.gif";
        }

	{
        nav5on=new Image(128, 17);
        nav5on.src="gk-bilder/erzeuger2.gif";
        nav5off=new Image(128, 17);
        nav5off.src="gk-bilder/erzeuger1.gif";
        }

	{
        nav6on=new Image(144, 17);
        nav6on.src="gk-bilder/Lagertipps2.gif";
        nav6off=new Image(144, 17);
        nav6off.src="gk-bilder/Lagertipps1.gif";
        }

	{
        nav7on=new Image(144, 17);
        nav7on.src="gk-bilder/Rezepte2.gif";
        nav7off=new Image(144, 17);
        nav7off.src="gk-bilder/Rezepte1.gif";
        }

	{
        nav8on=new Image(144, 17);
        nav8on.src="gk-bilder/shop2.gif";
        nav8off=new Image(144, 17);
        nav8off.src="gk-bilder/shop1.gif";
        }

function img_act(imgName)  {
	// if (version == "n3")
	{
        imgOn=eval(imgName + "on.src");
        document [imgName].src=imgOn;
        }
        
}
function img_inact(imgName)  {
	// if (version == "n3")
	{
        imgOff=eval(imgName + "off.src");
        document [imgName].src=imgOff;
        }
 }