function DisplaySw(name)
{
	var w0 = new getObj(name);
	if (w0.style.display == 'block') {
		w0.style.display = 'none';
	} else {
		w0.style.display = 'block';
	}
}

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}