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] = "img/m1a.gif"; 
imgsrc[2] = "img/m1.gif"; 
imgsrc[3] = "img/m2a.gif"; 
imgsrc[4] = "img/m2.gif";
imgsrc[5] = "img/m3a.gif"; 
imgsrc[6] = "img/m3.gif"; 
imgsrc[7] = "img/m4a.gif"; 
imgsrc[8] = "img/m4.gif";
imgsrc[9] = "img/m5a.gif"; 
imgsrc[10] = "img/m5.gif"; 
imgsrc[11] = "img/m6a.gif"; 
imgsrc[12] = "img/m6.gif"; 
imgsrc[13] = "img/m7a.gif"; 
imgsrc[14] = "img/m7.gif"; 

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

}

function foto(cesta) {
    window.open("foto.php?file="+cesta, "foto", 'toolbar=0,location=0,scrollbars=0,width=600,height=450,resizable=0'); 
}

function foto_v(cesta) {
    window.open("foto.php?file="+cesta, "foto", 'toolbar=0,location=0,scrollbars=0,width=338,height=450,resizable=0'); 
}

function foto_h(cesta) {
    window.open("foto.php?file="+cesta, "foto", 'toolbar=0,location=0,scrollbars=0,width=600,height=450,resizable=0'); 
}


function mapa() {
    window.open("foto.php?file=mapa.jpg", "foto", 'toolbar=0,location=0,scrollbars=0,width=487,height=334,resizable=0'); 
}

function foto2(cesta) {
    window.open("../foto.php?file="+cesta, "foto", 'toolbar=0,location=0,scrollbars=0,width=600,height=450,resizable=0'); 
}

function foto2_v(cesta) {
    window.open("../foto.php?file="+cesta, "foto", 'toolbar=0,location=0,scrollbars=0,width=338,height=450,resizable=0'); 
}

function foto2_h(cesta) {
    window.open("../foto.php?file="+cesta, "foto", 'toolbar=0,location=0,scrollbars=0,width=600,height=450,resizable=0'); 
}


function mapa2() {
    window.open("../foto.php?file=mapa.jpg", "foto", 'toolbar=0,location=0,scrollbars=0,width=487,height=334,resizable=0'); 
}

function kupon() {
    window.open("kupon.html", "foto", 'toolbar=0,location=0,scrollbars=0,width=176,height=243,resizable=0'); 
}