function Verification_GO(gotourl, formid) {
  
  if ( document.getElementById('verification_kod').value == Verification_COOKIE('Verification_COOKIE') ) {
    document.forms[formid].action = gotourl;
    return true;
  }
  else {
    alert('Ověřovací kód se neshoduje.');
    return false;  
  }
  
}

function Verification_NEW() {
  var currentTime = new Date();
  document.getElementById('verification_kodimg').src = "generate.php?" + currentTime;
}

function Verification_COOKIE( name ) {
  var start = document.cookie.indexOf( name + "=" );
  var len = start + name.length + 1;
  if ( ( !start ) &&
  ( name != document.cookie.substring( 0, name.length ) ) )
  {
  return null;
  }
  if ( start == -1 ) return null;
  var end = document.cookie.indexOf( ";", len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}