if (document.images) {

home = new Image
home.src="images/buttons_01.gif"
home1 = new Image
home1.src="images/buttons_01a.gif"

about = new Image
about.src="images/buttons_02.gif"
about1 = new Image
about1.src="images/buttons_02a.gif"

gallery = new Image
gallery.src="images/buttons_03.gif"
gallery1 = new Image
gallery1.src="images/buttons_03a.gif"

exhibit = new Image
exhibit.src="images/buttons_04.gif"
exhibit1 = new Image
exhibit1.src="images/buttons_04a.gif"

contact = new Image
contact.src="images/buttons_05.gif"
contact1 = new Image
contact1.src="images/buttons_05a.gif"

previous = new Image
previous.src="images/previous.gif"
previous1 = new Image
previous1.src="images/previousa.gif"

next = new Image
next.src="images/next.gif"
next1 = new Image
next1.src="images/nexta.gif"


}