var roomson;
var roomsoff;
var touron;
var touroff;
var diningon;
var diningoff;
var activitieson;
var activitiesoff;
var shopson;
var shopsoff;
var groupson;
var groupsoff;
var imgOn;
var imgOff;

function preloadImages()
{
	var rooturl = "http://www.vannoppenmarketing.com/clients/swt/";

	if (document.images)
	{
		roomson = new Image(180,55);
		roomson.src = rooturl + "images/leftnav/rooms_on.gif";
		roomsoff = new Image(180,55);
		roomsoff.src = rooturl + "images/leftnav/rooms_off.gif";

		touron = new Image(180,55);
		touron.src = rooturl + "images/leftnav/tour_on.gif";
		touroff = new Image(180,55);
		touroff.src = rooturl + "images/leftnav/tour_off.gif";

		diningon = new Image(180,55);
		diningon.src = rooturl + "images/leftnav/dining_on.gif";
		diningoff = new Image(180,55);
		diningoff.src = rooturl + "images/leftnav/dining_off.gif";

		activitieson = new Image(180,55);
		activitieson.src = rooturl + "images/leftnav/activities_on.gif";
		activitiesoff = new Image(180,55);
		activitiesoff.src = rooturl + "images/leftnav/activities_off.gif";

		shopson = new Image(180,55);
		shopson.src = rooturl + "images/leftnav/shops_on.gif";
		shopsoff = new Image(180,55);
		shopsoff.src = rooturl + "images/leftnav/shops_off.gif";

		groupson = new Image(180,55);
		groupson.src = rooturl + "images/leftnav/groups_on.gif";
		groupsoff = new Image(180,55);
		groupsoff.src = rooturl + "images/leftnav/groups_off.gif";

	}
}
function lightup(imgName)
{
	if (document.images)
	{
		imgOn=eval(imgName + "on.src");
		document[imgName].src= imgOn;
	}
}

function turnoff(imgName)
{
	if (document.images)
	{
		imgOff=eval(imgName + "off.src");
		document[imgName].src= imgOff;
	}
}
window.onload = preloadImages();