<!--
bName=navigator.appName;
bVer=parseInt(navigator.appVersion);
if((bName=="Netscape" && bVer>=3)||
   (bName=="Microsoft Internet Explorer" && bVer>=4)) br="n3";
else br="n2";

if(br=="n3"){
	// topnav images
	img1on=new Image();
	img1on.src="about_on.gif";
	img2on=new Image();
	img2on.src="patient_on.gif";
	img3on=new Image();
	img3on.src="health_on.gif";
	img4on=new Image();
	img4on.src="support_on.gif";
	img5on=new Image();
	img5on.src="careers_on.gif";
	
	
	// topnav images
	img1off=new Image();
	img1off.src="about.gif";
	img2off=new Image();
	img2off.src="patient.gif";
	img3off=new Image();
	img3off.src="health.gif";
	img4off=new Image();
	img4off.src="support.gif";
	img5off=new Image();
	img5off.src="careers.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");
}
} 
//-->