// Button rollover
function buttonRollover(which1, which2)
 {
	var objImage = document.getElementById(which2);
	objImage.src = "images/" + which1 + "On.gif";
}
function buttonRollout(which1, which2) {
	var objImage = document.getElementById(which2);
	objImage.src = "images/" + which1 + ".gif";
}
function buttonRolldown(which1, which2) {
	var objImage = document.getElementById(which2);
	objImage.src = "images/" + which1 + "Down.gif";
}
function buttonRollup(which1, which2) {
	var objImage = document.getElementById(which2);
	objImage.src = "images/" + which1 + ".gif";
}