<!--
var bFilterVisible = false;
function findObj(theObj, theDoc)
{
  var p, i, foundObj;

  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++)
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++)
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);

  return foundObj;
}

function showHideFilter()
{
  var i, visStr, obj, args = showHideFilter.arguments;

    if ((obj = findObj(args[0])) != null)

    {
      if (obj.style)
      {
        obj = obj.style;
        if(bFilterVisible) {
			bFilterVisible = false;
			displayStr = 'none';
			document.getElementById('expandCollapseIcon').innerHTML = '[+]';
		} else {
			bFilterVisible = true;
			displayStr = 'block';
			document.getElementById('expandCollapseIcon').innerHTML = '[-]';

		}
      }
      obj.display = displayStr;
    }
  }

//-->