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";

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

	dog = new Image();
	dog.src = "images/button_dog_off.jpg";
	dog_MO = new Image();
	dog_MO.src = "images/button_dog_on.jpg";

	fish = new Image();
	fish.src = "images/button_fish_off.jpg";
	fish_MO = new Image();
	fish_MO.src = "images/button_fish_on.jpg";

	bird = new Image();
	bird.src = "images/button_bird_off.jpg";
	bird_MO = new Image();
	bird_MO.src = "images/button_bird_on.jpg";

	small = new Image();
	small.src = "images/button_small_off.jpg";
	small_MO = new Image();
	small_MO.src = "images/button_small_on.jpg";

	specials = new Image();
	specials.src = "images/button_specials_off.jpg";
	specials_MO = new Image();
	specials_MO.src = "images/button_specials_on.jpg";

	pets = new Image();
	pets.src = "images/button_pets_off.jpg";
	pets_MO = new Image();
	pets_MO.src = "images/button_pets_on.jpg";

}


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");
	}
}