compat = false;

if ( parseInt ( navigator.appVersion ) >= 3 ) {
	compat = true;
}

if ( compat ) {

helenon = new Image;
helenon.src = "http://www.heleng.co.uk/images/nav_helen_on.gif";
helenoff = new Image;
helenoff.src = "http://www.heleng.co.uk/images/nav_helen_off.gif";

nutritionon = new Image;
nutritionon.src = "http://www.heleng.co.uk/images/nav_nutrition_on.gif";
nutritionoff = new Image;
nutritionoff.src = "http://www.heleng.co.uk/images/nav_nutrition_off.gif";

herbalismon = new Image;
herbalismon.src = "http://www.heleng.co.uk/images/nav_herbalism_on.gif";
herbalismoff = new Image;
herbalismoff.src = "http://www.heleng.co.uk/images/nav_herbalism_off.gif";

clinicson = new Image;
clinicson.src = "http://www.heleng.co.uk/images/nav_clinics_on.gif";
clinicsoff = new Image;
clinicsoff.src = "http://www.heleng.co.uk/images/nav_clinics_off.gif";

}

function glow (x, y) {
	if ( compat ) {
	document.images[x].src=eval(y+'.src');
	}
}