if (document.images){
	home_on = new Image(32,32);
	home_on.src = "images/nav/home_on.gif";
	home_off = new Image(32,32);
	home_off.src = "images/nav/home_off.gif";
	
	cottages_on = new Image(32,32);
	cottages_on.src = "images/nav/cottages_on.gif";
	cottages_off = new Image(32,32);
	cottages_off.src = "images/nav/cottages_off.gif";
	
	reservations_on = new Image(32,32);
	reservations_on.src = "images/nav/reservations_on.gif";
	reservations_off = new Image(32,32);
	reservations_off.src = "images/nav/reservations_off.gif";
	
	map_on = new Image(32,32);
	map_on.src = "images/nav/map_on.gif";
	map_off = new Image(32,32);
	map_off.src = "images/nav/map_off.gif";
	
	area_on = new Image(32,32);
	area_on.src = "images/nav/area_on.gif";
	area_off = new Image(32,32);
	area_off.src = "images/nav/area_off.gif";
	
	//contact_on = new Image(32,32);
	//contact_on.src = "images/nav/contact_on.gif";
	//contact_off = new Image(32,32);
	//contact_off.src = "images/nav/contact_off.gif";
}
	
function buttonSwap(imgName,state){
	navImg = eval(imgName + "_" + state + ".src");
	document [imgName].src = navImg;
}