appName = navigator.appName;
appVer = parseInt(navigator.appVersion);

if (appName == "Netscape" && appVer >= 4) ver = "n4";
else if (appName == "Netscape" && appVer == 3) ver = "n3";
else if (appName == "Netscape" && appVer == 2) ver = "n2";
else if (appName == "Microsoft Internet Explorer" && appVer >= 4) ver = "e4";
else if (appName == "Microsoft Internet Explorer" && appVer >= 2) ver = "e3";

if (ver == "n3" || ver == "n4" || ver == "e4") {

        initialiseimages();

}else{
        able = false;
}

function initialiseimages(){

		
		rhomeoff=new Image();
        rhomeoff.src="/common_files/porschecommon/buttons/r_home.gif";
        rhomeon=new Image();
        rhomeon.src="/common_files/porschecommon/buttons/r_home_.gif";	
		
		
		rwhychooseoff=new Image();
        rwhychooseoff.src="/common_files/porschecommon/buttons/r_whychoose.gif";
        rwhychooseon=new Image();
        rwhychooseon.src="/common_files/porschecommon/buttons/r_whychoose_.gif";	

        rmaintainingoff=new Image();
        rmaintainingoff.src="/common_files/porschecommon/buttons/r_maintaining.gif";
        rmaintainingon=new Image();
        rmaintainingon.src="/common_files/porschecommon/buttons/r_maintaining_.gif";	

		
        ractualoff=new Image();
        ractualoff.src="/common_files/porschecommon/buttons/r_actual.gif";
        ractualon=new Image();
        ractualon.src="/common_files/porschecommon/buttons/r_actual_.gif";	
		
        rwhatoff=new Image();
        rwhatoff.src="/common_files/porschecommon/buttons/r_what.gif";
        rwhaton=new Image();
        rwhaton.src="/common_files/porschecommon/buttons/r_what_.gif";		
		
        rinfooff=new Image();
        rinfooff.src="/common_files/porschecommon/buttons/r_info.gif";
        rinfoon=new Image();
        rinfoon.src="/common_files/porschecommon/buttons/r_info_.gif";			
	
	lastclick = "none"		
	able = true;


}

function changeOn(name){
        if (able){
                document.images[name].src=eval(name + "on").src;
                window.status='';
        }
        return(true);
}

function changeOff(name){
        if (able){
			if ( name != lastclick && name != "none" ) { document.images[name].src=eval(name + "off").src }
                window.status='';
        return(true);
        }
		
}

function changeTo(name){
document.images.rhome.src = rhomeoff.src
document.images.rwhychoose.src = rwhychooseoff.src
document.images.rmaintaining.src = rmaintainingoff.src
document.images.dnews.src = dnewsoff.src
document.images.ractual.src = ractualoff.src
document.images.rwhat.src = rwhatoff.src
document.images.rinfo.src = rinfooff.src
if ( document.images.dprofile ) { document.images.dprofile.src = dprofileoff.src }
if (able) { document.images[name].src=eval(name + "on").src }
lastclick = name
}