var onArray = new Array("buttons/homebuttonon.jpg",
			"buttons/whatisrainbowbuttonon.jpg",
			"buttons/aboutrwcbuttonon.jpg",
   			"buttons/officersbuttonon.jpg",
			"buttons/eventsbuttonon.jpg",
			"buttons/photogallerybuttonon.jpg",
			"buttons/funstuffbuttonon.jpg",
			"buttons/linksbuttonon.jpg",
			"buttons/contactsbuttonon.jpg");

var onButtons = new Array();

for (var i=0; i<onArray.length; i++) {
   onButtons[i] = new Image();
   onButtons[i].src= onArray[i];
}

var offArray = new Array("buttons/homebuttonoff.jpg",
			"buttons/whatisrainbowbuttonoff.jpg",
			"buttons/aboutrwcbuttonoff.jpg",
			"buttons/officersbuttonoff.jpg",
			"buttons/eventsbuttonoff.jpg",
			"buttons/photogallerybuttonoff.jpg",
			"buttons/funstuffbuttonoff.jpg",
			"buttons/linksbuttonoff.jpg",
			"buttons/contactsbuttonoff.jpg");


function setButtonOn(index) {
   document.images[index].src = onArray[index];
}

function setButtonOff(index) {
   document.images[index].src = offArray[index];
}