function createCookie(name, value, days)
{
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
    }
  else var expires = "";
  document.cookie = name+"="+encodeURI(value)+expires+"; path=/";
}

function zobrazdodaciadresu()
{
  if (document.form_kosik.dodaci_adresa.checked) {
	document.getElementById('dodaciadresa').style.display = 'none';
	createCookie('jinaadresa','',-3);
  }
  else {
	document.getElementById('dodaciadresa').style.display = 'block';
	createCookie('jinaadresa','ano',3);
  }  
}

function showform(form, button)
{
  document.getElementById(form).style.display = "block";
  document.getElementById(button).style.display = "none";
}

function potvrzeni(dotaz, presmerovani)
{
  if(window.confirm(dotaz)) {
    location.href=presmerovani;
  }
}