// http://www.chriscassell.net/log/2005/02/17/splitting_lists.html

function twoCols(src, type)
  {
  var origList = src;

  var leftList = document.createElement(type);
  var rightList = document.createElement(type);
  var container = document.createElement('div');

  var items = origList.getElementsByTagName('LI');

  var itemsLength = items.length/2;
  for (i = 0; i < itemsLength; i++)
    {
    leftList.appendChild(items[0]);
    }

  itemsLength = items.length;
  for (i = 0; i < itemsLength; i++)
    {
    rightList.appendChild(items[0]);
    }
  container.appendChild(leftList);
  container.appendChild(rightList);

  leftList.setAttribute('class', 'left');
  rightList.setAttribute('class', 'right');
  container.setAttribute('class','twocol');
  if (document.all)
    {
    leftList.setAttribute('className', 'left');
    rightList.setAttribute('className', 'right');
    container.setAttribute('className','twocol');
    }
  if (type == 'ol')
    {
    rightList.setAttribute('start', leftList.getElementsByTagName('LI').length + 1 );
    }
  origList.parentNode.replaceChild(container, origList);
  }

function allTwoCols (whichclass, type)
  {
  var uls = document.getElementsByTagName(type);
  for (var i=0; i< uls.length; i++)
    {
    if (uls[i].getAttribute('class') == whichclass || 
        uls[i].getAttribute('className') == whichclass)
      {
      twoCols(uls[i], type.toLowerCase());
      }
    }
  }