// look for navigator 3+
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
br = 0;

if ( (bName == "Netscape" && bVer >= 4) || (bName == "Microsoft Internet Explorer" && bVer >= 4) ) br = "4";
    else location.href = "/upgrade.htm";

// mousover function
function hiLite(oldImage,newImage) {
	if (br == 4) {
		document.images[oldImage].src = eval(newImage + ".src")
	}
}

// preload  navigation images
if (br == 4) {

// main navigation bar

home_off = new Image (75,26);
home_off.src = "/images_nav/nav_home.gif";
home_on = new Image (75,26);
home_on.src = "/images_nav/nav_home_hil.gif";

aboutus_off = new Image (97,26);
aboutus_off.src = "/images_nav/nav_aboutus.gif";
aboutus_on = new Image (97,26);
aboutus_on.src = "/images_nav/nav_aboutus_hil.gif";

competencies_off = new Image (133,26);
competencies_off.src = "/images_nav/nav_competencies.gif";
competencies_on = new Image (133,26);
competencies_on.src = "/images_nav/nav_competencies_hil.gif";

constituencies_off = new Image (145,26);
constituencies_off.src = "/images_nav/nav_constituencies.gif";
constituencies_on = new Image (145,26);
constituencies_on.src = "/images_nav/nav_constituencies_hil.gif";

testimonials_off = new Image (126,26);
testimonials_off.src = "/images_nav/nav_testimonials.gif";
testimonials_on = new Image (126,26);
testimonials_on.src = "/images_nav/nav_testimonials_hil.gif";

links_off = new Image (70,26);
links_off.src = "/images_nav/nav_links.gif";
links_on = new Image (70,26);
links_on.src = "/images_nav/nav_links_hil.gif";

contact_off = new Image (114,26);
contact_off.src = "/images_nav/nav_contactus.gif";
contact_on = new Image (114,26);
contact_on.src = "/images_nav/nav_contactus_hil.gif";

}