function MenuMouseOver(a)
  {
  a.style.backgroundImage = 'url(/images/item_bg_hover2.gif)';
  }

function MenuMouseOut(a)
  {
  a.style.backgroundImage = 'url(/images/item_bg2.gif)';
  }

function MenuHandler(a)
  {
  var DivId = ''; 
  var DivIdUC = DivId.toUpperCase();
  var divs = document.getElementsByTagName('div');
  var i;
  var msg='Hide:\r\r';
  var div;
  var divToShow;
  
  //alert('typeof(a)=' + typeof(a));

  if (typeof(a)=='object')
    {
    DivId = a.ID; // handles ComponentArt menu
    if (! DivId)
      DivId = a.id; // handles Jim's custom menu
    }
  else
    DivId = a; // handles links
  
  DivId = DivId.replace('menu_','div_').replace('menu2_','div_').replace('menu3_','div_');
  
  //alert('DivId='+DivId);

  for(i=0; i<divs.length; ++i)
    {
    div = divs[i];
    if (typeof(div.id) != 'undefined'
        && div.id.indexOf('div_') == 0 
        && div.id != 'div_main')
      {
      if (div.id == DivId)
        divToShow = div;
      else
        {
        msg += div.id + '\r';
        div.style.display = 'none';
        }
      }
    }
  msg += '\rShow:\r\r' + DivId;
  
  var tdleft = document.getElementById('td_left');
  var tdright = document.getElementById('td_right');
  if (DivId=='div_addl_resources')
    {
    tdright.style.display = 'none';
    tdright.style.width = '0%';
    tdleft.style.width = '100%';
    }
  else
    {
    tdright.style.display = 'block';
    tdright.style.width = '30%';
    tdleft.style.width = '70%';
    }
  divToShow.style.display = 'block';
  
  //UpdateSizeDisplay();
  }

function UpdateSizeDisplay()
  {
  var leftsize  = document.getElementById('left_size');
  var rightsize = document.getElementById('right_size');
  var tdleft    = document.getElementById('td_left');
  var tdright   = document.getElementById('td_right');
  var msg = '';
  
  if (leftsize && rightsize && tdleft && tdright)
    {
    leftsize.innerHTML = 'Left Size: ' + tdleft.offsetWidth;
    rightsize.innerHTML = 'Right Size: ' + tdright.offsetWidth;
    }
  }