<!-- Begin
//pre-load images
if (document.images)
{
	rcsystem1 = new Image();
	rcsystem1.src = 'images/hm_rc_system_off.jpg';
	rcsystem2 = new Image();
	rcsystem2.src = 'images/hm_rc_system_on.jpg';
}

function imgOnRail(imgName)
{
	if (document.images)
		document[imgName].src = eval(imgName + '2.src');
	
	switch (imgName)
	{
		case 'rcsystem':
			self.status = 'RailCommand System Information';
			break;
	}
	
	return true;
}

function imgOffRail(imgName)
{
	if (document.images)
		document[imgName].src = eval(imgName + '1.src');
	
	self.status = '';
	
	return true;
}
// End -->