function toggleStaff(whichLayer)
{
	var layerbutton = 'button'+whichLayer;
	var layer = document.getElementById('item'+whichLayer).style;
	layerbutton = document.getElementById(layerbutton).style;
	if ( layer.display == 'none' ) { 
		layer.display = 'block';
		layerbutton.background = 'url(images/interface/staff_bio_on.gif) no-repeat 0 50%';
	}
	else { 
		layer.display = 'none';
		layerbutton.background = 'url(images/interface/staff_bio_off.gif) no-repeat 0 50%';
	}
}






function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}