function showDropdown(dropdown,theform)
{
  var val = dropdown.options[dropdown.selectedIndex].value;
  var dd = null;
  var style;

  switch (val)
  {
    case "BP":
      dd = "by_partner";
      break;
    case "BO":
      dd = "by_office";
      break;
    case "BT":
      dd = "by_type";
      break;
    case "BS":
      dd = "by_discipline";
      break;
    case "BH":
      dd = "by_height";
      break;
	/*case "BR":
	  dd="by_region";
	  break;
	  */
	case "BN":
		theform.submit();
		break;
	case "MC":
		theform.submit();
		break;
	case "BR":
		theform.submit();
		break;
	case "FW":
		theform.submit();
		break;
  }

  if (dd == null)
  {
    if (dropdown.id == "sort_by")
    {
      setMode("by_partner", "none");
      setMode("by_office", "none");
	  setMode("by_region", "none");
      setMode("by_type", "none");
      setMode("by_discipline", "none");
      setMode("by_height", "none");
    }
  }
  else
  {
    setMode(dd, "inline");

    if (dd == "by_partner")
    {
      setMode("by_office", "none");
	  setMode("by_region", "none");
      setMode("by_type", "none");
      setMode("by_discipline", "none");
      setMode("by_height", "none");
    }
    else if (dd == "by_office")
    {
	  setMode("by_region", "none");
      setMode("by_partner", "none");
      setMode("by_type", "none");
      setMode("by_discipline", "none");
      setMode("by_height", "none");
	  setMode("by_office_sub", "none");
    }
	/*
	else if (dd == "by_region")
    {
	  setMode("by_office", "none");
      setMode("by_partner", "none");
      setMode("by_type", "none");
      setMode("by_discipline", "none");
      setMode("by_height", "none");
    }
	*/
    else if (dd == "by_type")
    {
      setMode("by_partner", "none");
      setMode("by_office", "none");
	  setMode("by_region", "none");
      setMode("by_discipline", "none");
      setMode("by_height", "none");
    }
    else if (dd == "by_discipline")
    {
      setMode("by_partner", "none");
      setMode("by_office", "none");
	  setMode("by_region", "none");
      setMode("by_type", "none");
      setMode("by_height", "none");
	  setMode("by_height", "none");
	  setMode("by_discipline_sub", "none");
    }
    else if (dd == "by_height")
    {
      setMode("by_partner", "none");
      setMode("by_office", "none");
	  setMode("by_region", "none");
      setMode("by_type", "none");
      setMode("by_discipline", "none");
    }
  }

  return true;
}

function setMode(dd, style)
{
  var elem;

  if (document.getElementById)
    elem = document.getElementById(dd);
  else if (document.all)
    elem = document.all[dd];

  if (elem)
    elem.style.display = style;
}