function zmenkod2()
{
  if (document.form2.streg[document.form2.streg.selectedIndex].value!='cz' &&
      document.form2.streg[document.form2.streg.selectedIndex].value!='sk')
  {
    document.form2.ICOsub.value='0';
    document.form2.ICOsub.readonly=1;
  }
  else
  {
    document.form2.ICOsub.readonly=0;
  }
}

function openWindow()
{
	okno = window.open("","informace",'toolbar=0,location=0,scrollbars=0,width=400,height=250,resizable=0,left=200');
	okno.focus();
}