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")
{
	imgHomeon = new Image();
	imgHomeon.src = "../images/b_home_a.gif";
	imgHomeoff = new Image();   
	imgHomeoff.src = "../images/b_home.gif";
	img1on = new Image();
	img1on.src = "../images/b_wohnung_a.gif";
	img1off = new Image();   
	img1off.src = "../images/b_wohnung.gif";
	img2on = new Image();
	img2on.src = "../images/b_service_a.gif";
	img2off = new Image();   
	img2off.src = "../images/b_service.gif";
	img3on = new Image();
	img3on.src = "../images/b_buchung_a.gif";
	img3off = new Image();   
	img3off.src = "../images/b_buchung.gif";
	img4on = new Image();
	img4on.src = "../images/b_pauschal_a.gif";
	img4off = new Image();   
	img4off.src = "../images/b_pauschal.gif";
	img5on = new Image();
	img5on.src = "../images/b_finden_a.gif";
	img5off = new Image();   
	img5off.src = "../images/b_finden.gif";
	img7on = new Image();
	img7on.src = "../images/b_werben_a.gif";
	img7off = new Image();   
	img7off.src = "../images/b_werben.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");
	}
}