function popupWindow(url, name) {
    window.open(url, name, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=100,height=100,screenX=100,screenY=100,top=100,left=100')
    return false;
  }
  
  function show_more_tab(ok) {
    var txt;
    items = document.getElementsByTagName('tbody');
    for (var i = 0; i < items.length; i++) {
      if (items[i].className == 'tab-more' || items[i].className == 'tab-more-n' || items[i].className == 'tab-more-y') {
        items[i].className = (ok ? 'tab-more-y' : 'tab-more-n');
      }
    }
    items = document.getElementsByTagName('a');
    for (var i = 0; i < items.length; i++) {
      if (items[i].className == 'show-details') {
        items[i].style.display = (ok ? 'none' : 'inline');
      }
      else if (items[i].className == 'hide-details') {
        items[i].style.display = (ok ? 'inline' : 'none');
      }
    }
  }

  function show_dif(ok) {
    var txt;
    items = document.getElementsByTagName('tr');
    for (var i = 0; i < items.length; i++) {
      if (items[i].className == 'e' || items[i].className == 'e-n')
        items[i].className = (ok ? 'e-n' : 'e');
    }
    items = document.getElementsByTagName('a');
    for (var i = 0; i < items.length; i++) {
      if (items[i].className == 'show-dif') {
        items[i].style.display = (ok ? 'none' : 'inline');
      }
      else if (items[i].className == 'show-all') {
        items[i].style.display = (ok ? 'inline' : 'none');
      }
    }
  }
  
  function show_advanced() {
    if (document.getElementById('adv-checkbox').checked)
      document.getElementById('advanced').style.display = 'block';
    else
      document.getElementById('advanced').style.display = 'none';
  }

  function show_add_form() {
    
    if (document.getElementById('other-address').checked)
      document.getElementById('other-address-form').style.display = 'block';
    else
      document.getElementById('other-address-form').style.display = 'none';
  }
  
  document.write('<style type="text/css"> .tab-more, #advanced, #other-address-form {display: none; } </style>');