var img1 = new Image();
img1.src = "Images/MenuHistoryOver.gif";
var img2 = new Image();
img2.src = "Images/MenuProductsOver.gif";
var img3 = new Image();
img3.src = "Images/MenuContactOver.gif";
function fnButtonOver(id) {
	var imgButton = eval("document." + id);
	imgButton.src = "Images/Menu" + id + "Over.gif";
}
function fnButtonOut(id) {
	var imgButton = eval("document." + id);
	imgButton.src = "Images/Menu" + id + ".gif";
}