browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) version = "n3";
	else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4.0) version = "n3";
		else version = "n2";
if (version == "n3")
{
	icon01=new Image();
	icon02=new Image();
	icon03=new Image();
	icon04=new Image();
	icon05=new Image();
	icon11=new Image();
	icon12=new Image();
	icon13=new Image();
	icon14=new Image();
	icon15=new Image();
	icon20=new Image();
	icon21=new Image();
	icon22=new Image();
	icon23=new Image();
	icon24=new Image();
	icon25=new Image();

	icon01.src="../bilder/nav_home_up.jpg";
	icon02.src="../bilder/nav_reise_up.jpg";
	icon03.src="../bilder/nav_galerie_up.jpg";
	icon04.src="../bilder/nav_kontakt_up.jpg";
        icon11.src="../bilder/nav_home_down.jpg";
	icon12.src="../bilder/nav_reise_down.jpg";
	icon13.src="../bilder/nav_galerie_down.jpg";
	icon14.src="../bilder/nav_kontakt_down.jpg";
}


function change(buttonname,img1)
{
	if (version == "n3")
	{
	   
           if (buttonname == "buttonhome")
	   {
		document.buttonhome.src = img1.src;
	   }
	   else if (buttonname == "buttonreise")
	   {
		document.buttonreise.src = img1.src;
	   }
	   else if (buttonname == "buttongalerie")
	   {
		document.buttongalerie.src = img1.src;
	   }
	   else if (buttonname == "buttonkontakt")
	   {
		document.buttonkontakt.src = img1.src;
	   }
	   else
		alert("Error 103:JavaScript Error:Send this Message to m.suter@digitalsky.ch");
	}
}