var buttonFolder = "buttons/";

upSources = new Array("home-off.jpg","about-off.jpg","ragdoll-off.jpg","our-cats-off.jpg","kittens-off.jpg","photos-off.jpg","links-off.jpg","contact-off.jpg","guestbook-off.jpg");

overSources = new Array("home-on.jpg","about-on.jpg","ragdoll-on.jpg","our-cats-on.jpg","kittens-on.jpg","photos-on.jpg","links-on.jpg","contact-on.jpg","guestbook-on.jpg");


totalButtons = upSources.length;

function preload() {
	for ( x=0; x<totalButtons; x++ ) {
		buttonUp = new Image();
		buttonUp.src = buttonFolder + upSources[x];
		buttonOver = new Image();
		buttonOver.src = buttonFolder + overSources[x];
	}
}

function setOverImg(But, ID) {
	document.getElementById('button' + But + ID).src = buttonFolder + overSources[But-1];
}

function setOutImg(But, ID) {
	document.getElementById('button' + But + ID).src = buttonFolder + upSources[But-1];
}