<!-- hide me
function showimage()
{
  var the_date = new Date();
  var the_hour = the_date.getHours();

	if (the_hour > 17)
	{
	
	 document.the_image.src='/pix/topbar/night_on.gif';
	}
	
	else if (the_hour < 6)
	{
	document.the_image.src='/pix/topbar/night_on.gif';
	                      
	}
	
	else
	{
	document.the_image.src='/pix/topbar/day_on.gif';
	}
	
}
	
// show me -->