function zobraz(id)
{
	document.getElementById(id).style.display="block";
}
function zobraz_in(id)
{
	document.getElementById(id).style.display="inline";
}
function odzobraz(id)
{
	document.getElementById(id).style.display="none";
}
function odesli(formular)
{
	document.getElementById(formular).submit();
}
function check_or_uncheck(id) {
  if(document.getElementById(id).checked == true)
    document.getElementById(id).checked = false;
  else
    document.getElementById(id).checked = 'checked';
}