var remember;
remember='';
function hide()
{
	if (remember!='')
	{
		var x = getObj(remember);
		x.visibility = 'hidden';
	}
	remember='';
}
function show(name,name2)
{
	if (name==remember) return;
	if (remember)
	{
		var x = getObj(remember);
		x.visibility = 'hidden';
	}	
	if (name)
	{
		var x = getObj(name);
		var y = getObj(name2);
		x.top=y.top;
		x.pixelLeft=100;
		x.visibility = 'visible';
	}
	remember = name;
}
function getObj(name)
{
  if (document.getElementById)
  {
    return document.getElementById(name).style;
  }
  else if (document.all)
  {
    return document.all[name].style;
  }
  else if (document.layers)
  {
    return document.layers[name];
  }
  else return false;
}