function getAppVersion() {
	appname= navigator.appName;
	appversion = navigator.appVersion;
	majorver = appversion.substring(0, 1); 
	if ((appname == "Netscape") && ( majorver >= 3 )) return 1;
	if ((appname == "Microsoft Internet Explorer") && (majorver >= 4)) return 1;
	return 0;
}

function swap (num, imgname) {
	if (getAppVersion()) {
		document[imgname].src = img[num].src;
	}
}

imgsrc = new Array();

imgsrc[1] = "tmpl/menu_images/menu_about_n.gif";
imgsrc[2] = "tmpl/menu_images/menu_about_o.gif";
imgsrc[3] = "tmpl/menu_images/menu_art-consultant_n.gif";
imgsrc[4] = "tmpl/menu_images/menu_art-consultant_o.gif";
imgsrc[5] = "tmpl/menu_images/menu_artists_n.gif";
imgsrc[6] = "tmpl/menu_images/menu_artists_o.gif";
imgsrc[7] = "tmpl/menu_images/menu_clients_n.gif";
imgsrc[8] = "tmpl/menu_images/menu_clients_o.gif";
imgsrc[9] = "tmpl/menu_images/menu_contact_n.gif";
imgsrc[10] = "tmpl/menu_images/menu_contact_o.gif";
imgsrc[11] = "tmpl/menu_images/menu_cv_n.gif";
imgsrc[12] = "tmpl/menu_images/menu_cv_o.gif";
imgsrc[13] = "tmpl/menu_images/menu_events_n.gif";
imgsrc[14] = "tmpl/menu_images/menu_events_o.gif";
imgsrc[15] = "tmpl/menu_images/menu_merketing_n.gif";
imgsrc[16] = "tmpl/menu_images/menu_merketing_o.gif";
imgsrc[17] = "tmpl/menu_images/menu_news_n.gif";
imgsrc[18] = "tmpl/menu_images/menu_news_o.gif";
imgsrc[19] = "tmpl/menu_images/menu_press_n.gif";
imgsrc[20] = "tmpl/menu_images/menu_press_o.gif";
imgsrc[21] = "tmpl/menu_images/menu_sponsorship_n.gif"; 
imgsrc[22] = "tmpl/menu_images/menu_sponsorship_o.gif"; 

if (getAppVersion()) {
	img = new Array();
	for (i = 0; i < imgsrc.length; i++) {
		img[i] = new Image();
		img[i].src = imgsrc[i];
	}
}