var images = new Array(14);

function preloadImages()
 {
     if (document.images) 
    {
        for (i = 0; i < 14; i++) {
            img = new Image();
            img.src = '../image/mapa_' + (i + 1) + '.gif';
            images[i] = img;
        }

    }
}

function getParameter(name) {
    var regexS = "[\\?&]" + name + "=([^&#]*)";
    var regex = new RegExp(regexS);
    var tmpURL = window.location.href;
    var results = regex.exec(tmpURL);
    if (results == null)
        return "";
    else
        return results[1];
}

function showKraj(id_kraj) {
    document.getElementById('mapa').src = '../image/mapa_' + id_kraj + '.gif';
}

function hideKraj(id_kraj) {
    var imgId;

    imgId = getParameter('kraj');

    if (imgId == '' || !imgId.match(/\d/)) {
        imgId = '0';
    }

    document.getElementById('mapa').src = '../image/mapa_' + imgId + '.gif';
}