var casovac;
function ZavritInfo()
{
  var reg=document.getElementById("invisibleinfo");
  reg.style.visibility="hidden";
}
function OtevritInfo()
{
  var reg=document.getElementById("invisibleinfo");
  reg.style.visibility="visible";
  reg.focus();
}
function ZapnoutCasovac()
{
  casovac=setTimeout("OtevritInfo()",1000);
}
function VypnoutCasovac()
{
  clearTimeout(casovac);
}