function m_on(imagename)
{
	if (document.images)
	{
		document [imagename].src = eval(imagename + "_MO.src");
	}
}

function m_out(imagename)
{
	if (document.images)
	{
		document [imagename].src = eval(imagename + ".src");
	}
}

if (document.images)
{
	home = new Image();
	home.src = "images/button_home_off.jpg";
	home_MO = new Image();
	home_MO.src = "images/button_home_on.jpg";

	about = new Image();
	about.src = "images/button_about_off.jpg";
	about_MO = new Image();
	about_MO.src = "images/button_about_on.jpg";

	fuel = new Image();
	fuel.src = "images/button_fuel_off.jpg";
	fuel_MO = new Image();
	fuel_MO.src = "images/button_fuel_on.jpg";

	service = new Image();
	service.src = "images/button_service_off.jpg";
	service_MO = new Image();
	service_MO.src = "images/button_service_on.jpg";


	contact = new Image();
	contact.src = "images/button_contact_off.jpg";
	contact_MO = new Image();
	contact_MO.src = "images/button_contact_on.jpg";
}