function popUpWindow(zdroj, w, h) 
{
	obr = window.open(zdroj, "foto", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,top=100,left=100,width=" + w + ",height=" + h);
}

function sbalitRozbalit(id)
{
    var el=document.getElementById(id);
    if(el.style.display != 'block')
    {
        el.style.display='block';
    }
    else 
    {
        el.style.display='none';
    }
    return false;
}