var openMenuId = null;

function closeMenu ()
{
  if (openMenuId != null)
  {
    document.hideDIV(openMenuId);
    openMenuId = null;
  }
}

function openMenu (mainMenuId)
{
  var oTD = document.getObjectRef("menu-" + mainMenuId);

  newMenuId = "subMenu-" + mainMenuId;

  if (newMenuId == openMenuId)
    closeMenu();
  else
  {
    closeMenu();
    openMenuId = newMenuId;
    document.showDIVBelow(openMenuId,oTD);
  }
}

function openMenu2 (mainMenuId)
{
  var oTD = document.getObjectRef("menu-" + mainMenuId);

  newMenuId = "subMenu-" + mainMenuId;

  if (newMenuId == openMenuId)
    closeMenu();
  else
  {
    closeMenu();
    openMenuId = newMenuId;
    document.showDIVAboveCenter(openMenuId,oTD);
  }
}

function doSearch ()
{
  var oForm = document.getObjectRef("searchForm");

  oForm.submit();
}

function hiliteButton (oImg,flag)
{
  if (flag)
    oImg.src = oImg.src.replace("_n.jpg","_h.jpg");
  else
    oImg.src = oImg.src.replace("_h.jpg","_n.jpg");
}