<!--

function ReverseVisibility(Obj)
{
        if (Obj.style && (Obj.style.visibility == 'visible')) return('hide'); else return('show');
}

function MM_findObj(n, d)
{
  var p,i,x;
  if (!d) d = document;
  if (!(x = d[n]) && d.all) x = d.all[n];
  for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
  for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n,d.layers[i].document);
  if (!x && d.getElementById) x = d.getElementById(n);
  return x;
}

function MM_showHideLayers()
{
  var i,p,v,obj,args=MM_showHideLayers.arguments;

  for(i=0; i<(args.length-2); i+=3)
  {
          if ((obj=MM_findObj(args[i],args[i+1]))!=null)
          {
                  v=(args[i+2]!='')?args[i+2]:ReverseVisibility(obj);
                  b=(v=='show'||v=='visible')?'block':'none';
            if (obj.style)
            {
                    obj=obj.style;
                    v=(v=='show'||v=='visible')?'visible':'hidden';
            }
                        if (obj.visibility!=v) obj.visibility=v;
                        if (obj.display!=b) obj.display=b;
                }
        }
}

//-->