function openJSLWindow(url, jmeno, w, h)
{
	Fokus = window.open(url, jmeno, 'resizable=0, scrollbars=yes, top=20, left=20, menubar=0, width=' + w + ', height=' + h);
	Fokus.focus()
}

function hideshow(id)
{
  var obj = document.getElementById(id);
  if (obj.style.display == "block")
    obj.style.display = "none";
  else
    obj.style.display = "block";
}