var n = parseInt( navigator.appVersion.substring(0,1) );

if (n>=4) {
	i1 = new Image;	i1.src="/img/map/map.gif";
	i2 = new Image;	i2.src="/img/map/providence.gif";
	i3 = new Image;	i3.src="/img/map/newyork.gif";
	i4 = new Image;	i4.src="/img/map/philadelphia.gif";
	i5 = new Image;	i5.src="/img/map/miami.gif";
	i6 = new Image;	i6.src="/img/map/chicago.gif";
	i7 = new Image;	i7.src="/img/map/la.gif";
	i8 = new Image;	i8.src="/img/map/boston.gif";
}

function Off() {
	if (n>=4) document.images.map.src="/img/map/map.gif";
}

function On(name) {
	if (n>=4) document.images.map.src="/img/map/" + name + ".gif";
}