// preload nav images
for (i=1;i<=5;i++) {
	var img = new Image();
	img.src = "../images/low/french/nav" + i + "_on.gif";
	var img1 = new Image();
	img1.src = "../images/low/french/nav" + i + "_off.gif";
}

function navRoll(whichOne,onOff) {
	whichImg = eval("document.nav" + whichOne);
	whichImg.src = "../images/low/french/nav" + whichOne + onOff + ".gif";
}