function cmsViewImage(urlImage) {
    var img = document.getElementById('obrazekDetail');
    img.src = urlImage;
    document.getElementById('cms_blockBackground').style.display = 'block';
    document.getElementById('cms_imgWindow').style.display = 'block';
}

function cmsCloseImage() {
    var img = document.getElementById('obrazekDetail');
    img.src = '';
    document.getElementById('cms_blockBackground').style.display = 'none';
    document.getElementById('cms_imgWindow').style.display = 'none';
}