<!--

// Set all needed variables
var browser=''; // Variable to store Browser name
var version=''; // Variable to store Browser version
var entrance=''; //Variable to store result
var oktext=''; // Variable to store ok-text
var notok=''; // Variable to store NtoOk-text
// Check Browser name
if (navigator.appName.indexOf('Microsoft') != -1)
browser = 'IE'
else if (navigator.appName.indexOf('Netscape') != -1)
browser = 'Netscape'
else browser = 'NN';
// Browser Version
if (version == ''){
version= navigator.appVersion;
paren = version.indexOf('(');
whole_version = navigator.appVersion.substring(0,paren-1);
version = parseInt(whole_version);
}
if (browser=="Netscape" && version >= 3.0) entrance="ok"
if (browser=="IE" && version >= 4.00) entrance="ok"

function select(Img,Pic)
{
	if(entrance=="ok")
		{document.images[Img].src=Pic};
}

if (entrance == "ok")
{

a = new Image();
a.src = "graphics/mnu_nhs_sel.gif";

b = new Image();
b.src = "graphics/mnu_private_sel.gif";

c = new Image();
c.src = "graphics/mnu_pubs_sel.gif";

d = new Image();
d.src = "graphics/mnu_glaucoma_sel.gif";

e = new Image();
e.src = "graphics/mnu_cataract_sel.gif";

f = new Image();
f.src = "graphics/mnu_links_sel.gif";

g = new Image();
g.src = "graphics/mnu_laser_sel.gif";

h = new Image();
h.src = "graphics/mnu_audit_sel.gif";

}

// -->