function popup(url, w, h)
{
  if (!w) w = 500;
  if (!h) h = 500;
  open(url, "popup", "width=" + w + ",height=" + h + ",scrollbars").focus();
}

function toggle_div(id, collapsed_height)
{
  var el = document.getElementById(id);
  if (! el._state) {
    el._state = 'closed';
  }
  if (el._state == 'closed') {
    el.style.height = 'auto';
    el._state = 'open';
  }
  else {
    el.style.height = collapsed_height + 'px';
    el._state = 'closed';
  }
}

var mailto_arr = new Array();

function email_address(name, domain, tld)
{
  var index = mailto_arr.length;
  mailto_arr[index] = name + '@' + domain + '.' + tld;
  document.write(
    '<span class="mailto" onClick="mailto(' + index + ')">' +
    name + '@' + domain + '.' + tld + '</span>');
}

function mailto(index)
{
  location.href = "mailto:" + mailto_arr[index];
}