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 swtch(num, imgname) {
if (getAppVersion()) {
document[imgname].src = img[num].src;
}
}
imgsrc = new Array();

		imgsrc[1] = "http://www.gonowauta.cz/img/uvod.png";
		imgsrc[2] = "http://www.gonowauta.cz/img/uvod_1.png";
		imgsrc[3] = "http://www.gonowauta.cz/img/modely.png";
		imgsrc[4] = "http://www.gonowauta.cz/img/modely_1.png";
		imgsrc[5] = "http://www.gonowauta.cz/img/servis.png";
		imgsrc[6] = "http://www.gonowauta.cz/img/servis_1.png";
		imgsrc[7] = "http://www.gonowauta.cz/img/historie.png";
		imgsrc[8] = "http://www.gonowauta.cz/img/historie_1.png";
		imgsrc[9] = "http://www.gonowauta.cz/img/kontakt.png";
		imgsrc[10] = "http://www.gonowauta.cz/img/kontakt_1.png";


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