Img = new Array()
ImgOver = new Array()
for (i=1; i<=9; i++) {
	Img[i] = new Image()
	Img[i].src = "/img/but"+i+".gif"
	ImgOver[i] = new Image()
	ImgOver[i].src = "/img/but"+i+"a.gif"
}

function ButtonOver (i) {
	eval("document.but"+i+".src = ImgOver[i].src")
}

function ButtonOut (i) {
	eval("document.but"+i+".src = Img[i].src")
}