function confirmSubmitCZ(){
  var agree=confirm("Odeslat vygenerované heslo na uvedený e-mail?");
  if (agree)
    return true ;
  else
    return false ;
}

function confirmSubmitEN(){
	var agree=confirm("Send a new password to e-mail address?");
	if (agree)
		return true ;
	else
		return false ;
}

function showDetails(id) {
  if(document.getElementById(id).style.display == 'block')
    document.getElementById(id).style.display = 'none';
  else
    document.getElementById(id).style.display = 'block';
}


function showAllDetails(){
  showGroupDetails("key_");
}

function showGroupDetails(groupPrefix){
  if(groupPrefix == "")
    groupPrefix = "key_";

  for (i=0; i <= 500; i++) {
    var key = groupPrefix + i;
    var elem = document.getElementById(key);
    if(elem != null)
      elem.style.display = 'block';
  }
}

function hideAllDetails(){
  hideGroupDetails("key_");
}

function hideGroupDetails(groupPrefix){
  if(groupPrefix == "")
    groupPrefix = "key_";

  for (i=0; i <= 500; i++) {
    var key = groupPrefix + i;
    var elem = document.getElementById(key);
    if(elem != null)
      elem.style.display = 'none';
  }
}