function newImg(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function imgOn(iName) {
	if (document.images) {
		document.images[iName].src = eval(iName + "On.src");
		
	}
}

function imgOff(iName) {
	if (document.images) {
		document.images[iName].src = eval(iName + "Off.src");
	}
}

function preloadNav() {
	if (document.images) {
		MistyOn = newImg("/img/nav/MistyOn.gif");
		MistyOff = newImg("/img/nav/MistyOff.gif");

		showUsOn = newImg("/img/nav/showUsOn.gif");
		showUsOff = newImg("/img/nav/showUsOff.gif");

		tellFriendOn = newImg("/img/nav/tellFriendOn.gif");
		tellFriendOff = newImg("/img/nav/tellFriendOff.gif");

		secretsOn = newImg("/img/nav/secretsOn.gif");
		secretsOff = newImg("/img/nav/secretsOff.gif");

	}
}