function HoverSection(sectionId)
{
  var sectionA = document.getElementById('a_' + sectionId);
  sectionA.src = '/pic.php?id=' + sectionA.getAttribute('c_alter');

}

function UnHoverSection(sectionId)
{
  var sectionA = document.getElementById('a_' + sectionId);
  sectionA.src = '/pic.php?id=' + sectionA.getAttribute('c_real');
}

function ChangeRegions(townId)
{
  var obj = document.getElementById('RegionSelect');
  for (var i = obj.childNodes.length - 1; i >= 2; i--)
    obj.removeChild(obj.childNodes[i]);
  if ((Regions[townId] != null) && (Regions[townId].length != 0))
    for (var i = 0; i < Regions[townId].length; i++)
    {
      var tmp = document.createElement('option');
      tmp.value = Regions[townId][i][0];
      tmp.appendChild(document.createTextNode(Regions[townId][i][1]));
      obj.appendChild(tmp);
    }
}

function popup_page(addr)
{
  if (addr)
  {
    win2 = window.open(addr, 'Popup', '');
    win2.focus();
  }
}

function popupMap(id)
{
  if (id)
  {
    win2 = window.open('/mapPopup.php?firm=' + id, 'Popup', 'width=800,height=600');
    win2.focus();
  }
}