function show(object) {
  if (document.layers && document.layers[object] != null)
        document.layers[object].display = 'block';
    else if (document.all)
	document.all[object].style.display = 'block';
    else if (document.getElementById)
	document.getElementById(object).style.display = 'block';
}

function hideall() {
  if (document.layers){//NN4
        document.layers.introl.display = 'none';
        document.layers.intror.display = 'none';
        document.layers.hairoptions.display = 'none';
	}

  else if (document.all){//IE 4
        document.all.item('introl').style.display = 'none';
        document.all.item('intror').style.display = 'none';
        document.all.item('hairoptions').style.display = 'none';
	}
	
  else if (document.getElementById){//NN6 FF IE
        document.getElementById('introl').style.display = 'none';
        document.getElementById('intror').style.display = 'none';
        document.getElementById('hairoptions').style.display = 'none';
	}
}