function insert_passwd() {
  var rc = '';
  var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
  for (var i = 0; i < 8; ++i) {
    rc += chars.charAt(Math.floor(Math.random() * chars.length));
  }
  document.getElementById('regf-passwd').value = rc;
  document.getElementById('regf-confirm-passwd').value = rc;
  alert('Ñãåíåðèðîâàííûé ïàðîëü áóäåò âûñëàí Âàì íà óêàçàííûé e-mail');
}
function submitRegForm(step) {
  document.getElementById('step-field').value = step;
  document.getElementById('reg-form').submit();
}
function known_field_ruler( curr_known_type, person ){
  if ( curr_known_type == 'self_variant' ){
    document.getElementById('self_known_string_' + person).style.display="";
  }else{
    document.getElementById('self_known_string_' + person ).style.display="none"
  }
}