bName = navigator.appName;
bVer  = navigator.appVersion;

if(((bName == "Netscape" && bVer > "3.0") && (bName == "Netscape" && bVer  < "4.01"))
      || 
      ((bName == "Netscape" && bVer >= "4.03"))
      ||
      (bName == "Microsoft Internet Explorer" && bVer >= "4.0")) 
	br = "n3"; 
else
	br = "n2";
    
if(br == "n3")
{
	img0on = new Image();
	img0on.src = "../images/b_haus_marco_a.gif";
	img0off = new Image();   
	img0off.src = "../images/b_haus_marco.gif";
	img1on = new Image();
	img1on.src = "../images/b_ferienhaus_a.gif";
	img1off = new Image();   
	img1off.src = "../images/b_ferienhaus.gif";
	img2on = new Image();
	img2on.src = "../images/b_anfrage_a.gif";
	img2off = new Image();   
	img2off.src = "../images/b_anfrage.gif";
	img3on = new Image();
	img3on.src = "../images/b_preise_a.gif";
	img3off = new Image();   
	img3off.src = "../images/b_preise.gif";
	imgHomeon = new Image();
	imgHomeon.src = "../images/b_home_a.gif";
	imgHomeoff = new Image();   
	imgHomeoff.src = "../images/b_home.gif";
	imgKontakton = new Image();
	imgKontakton.src = "../images/b_kontakt_a.gif";
	imgKontaktoff = new Image();   
	imgKontaktoff.src = "../images/b_kontakt.gif";
}

function imgAct(imgName)
{
	if(br== "n3")
	{
		document[imgName].src = eval(imgName + "on.src");
	}
}

function imgInact(imgName)
{
	if(br== "n3")
	{
		document[imgName].src = eval(imgName + "off.src");
	}
}