function toggleSub(id) {
  if (document.getElementById('group'+id).style.display == 'none') {
    document.getElementById('group'+id).style.display = '';
  } else {
    document.getElementById('group'+id).style.display = 'none';
  }
}

$(document).ready(function(){
  var group = fix(querySt('group'));
  if (group != '') {
    $("a[href='index.php?group="+group+"']").parent().css('display', '');
  }
});

function fix(str) {
  return str.replace(/%C3%84/g, 'Ä');
}

function querySt(ji) {
  var hu = window.location.search.substring(1);
  var gy = hu.split("&");
  for (i=0;i<gy.length;i++) {
    ft = gy[i].split("=");
    if (ft[0] == ji) {
      return ft[1];
    }
  }
  return '';
}