agent = navigator.userAgent

browserVer = 1

if (agent.indexOf("a/3",6) != -1)
{   browserVer = 1  }
else
{   if (agent.indexOf("a/4",6) != -1)    {browserVer = 1}
}


if (browserVer == 1) {

			portfoliooff=new Image;
			portfoliooff.src="btn/portfolio_up.gif";
			portfolioon=new Image;
			portfolioon.src="btn/portfolio_down.gif";

			referenzenoff=new Image;
			referenzenoff.src="btn/referenzen_up.gif";
			referenzenon=new Image;
			referenzenon.src="btn/referenzen_down.gif";

			profiloff=new Image;
			profiloff.src="btn/profil_up.gif";
			profilon=new Image;
			profilon.src="btn/profil_down.gif";

			newsoff=new Image;
			newsoff.src="btn/news_up.gif";
			newson=new Image;
			newson.src="btn/news_down.gif";

			kontaktoff=new Image;
			kontaktoff.src="btn/kontakt_up.gif";
			kontakton=new Image;
			kontakton.src="btn/kontakt_down.gif";

			vitaoff=new Image;
			vitaoff.src="btn/vita_up.gif";
			vitaon=new Image;
			vitaon.src="btn/vita_down.gif";

			servoff=new Image;
			servoff.src="btn/serv_up.gif";
			servon=new Image;
			servon.src="btn/serv_down.gif";

			ausstoff=new Image;
			ausstoff.src="btn/ausst_up.gif";
			ausston=new Image;
			ausston.src="btn/ausst_down.gif";

			impressoff=new Image;
			impressoff.src="btn/impressum_up.gif";
			impresson=new Image;
			impresson.src="btn/impressum_down.gif";

                         kfooff=new Image;
			kfooff.src="images/kontaktform_off.gif";
			kfoon=new Image;
			kfoon.src="images/kontaktform_on.gif";

}
function change(imgDocID,imgObjName)
{
	document.images[imgDocID].src = eval(imgObjName + ".src");
}