if (document.all)
{
	visible='visible';
	hidden='hidden';
}
else if (document.layers)
{
	visible='show';
	hidden='hide';
}

if (document.layers)
{
	document.captureEvents(Event.MOUSEMOVE)
	document.onmousemove = mouse_xy;
	var posi_X = 0;
	var posi_Y = 0;
}

function mouse_xy(e) 
{
	posi_X = e.pageX;
	posi_Y = e.pageY;
}


function show_hide_layer(name)
{
		//alert(event.clientX + document.body.scrollLeft +","+ event.clientY + document.body.scrollTop);
      if (document.all)
      {
			layer_style = document.all(name).style;
      }
	  else if (document.layers)
	  {
			layer_style = document.layers[name];
	  }

		//alert(layer_style.visibility);
	  if (layer_style.visibility == visible)
	  {
			layer_style.visibility = hidden;
	  }
	  else
	  {
			if (document.all)
			{
				layer_style.pixelLeft = event.clientX + document.body.scrollLeft + 25;
				layer_style.pixelTop = event.clientY + document.body.scrollTop - 120;
			}
			else if (document.layers)
			{
				layer_style.pageX = posi_X + 25;
				layer_style.pageY = posi_Y - 115;
			}
			
			layer_style.visibility = visible;
	  }

}