function go2url (id) {
if (id == '0') {self.location = 'http://prag-guide.cz/index.php'}
else {self.location = 'http://prag-guide.cz/index.php?id=' + id}
}

function tr_on(id) {
  document.getElementById('tr_'+id).className = 'white';
  document.getElementById('tr_'+id).style.cursor = 'pointer';
//  document.getElementById('a_'+id).style.color = '#7e8c39';
 // document.getElementById('li_'+id).style.cursor = 'pointer';
  
}

function tr_off(id,typ) {
  document.getElementById('tr_'+id).className = typ;
}