var preLoadOne = false;
var preLoadTwo = false;

function preLoad() {
	work_off = new Image();
	work_off.src = "./images/nav/main_nav_off_01.gif";
	work_on = new Image();
	work_on.src = "./images/nav/main_nav_on_01.gif";
	work_red = new Image();
	work_red.src = "./images/nav/main_nav_red_01.gif";
	clientlist_off = new Image();
	clientlist_off.src = "./images/nav/main_nav_off_03.gif";
	clientlist_on = new Image();
	clientlist_on.src = "./images/nav/main_nav_on_03.gif";
	clientlist_red = new Image();
	clientlist_red.src = "./images/nav/main_nav_red_03.gif";
	process_off = new Image();
	process_off.src = "./images/nav/main_nav_off_05.gif";
	process_on = new Image();
	process_on.src = "./images/nav/main_nav_on_05.gif";
	process_red = new Image();
	process_red.src = "./images/nav/main_nav_red_05.gif";
	about_off = new Image();
	about_off.src = "./images/nav/main_nav_off_07.gif";
	about_on = new Image();
	about_on.src = "./images/nav/main_nav_on_07.gif";
	about_red = new Image();
	about_red.src = "./images/nav/main_nav_red_07.gif";
	resources_off = new Image();
	resources_off.src = "./images/nav/main_nav_off_09.gif";
	resources_on = new Image();
	resources_on.src = "./images/nav/main_nav_on_09.gif";
	resources_red = new Image();
	resources_red.src = "./images/nav/main_nav_red_09.gif";
	contact_off = new Image();
	contact_off.src = "./images/nav/main_nav_off_11.gif";
	contact_on = new Image();
	contact_on.src = "./images/nav/main_nav_on_11.gif";
	contact_red = new Image();
	contact_red.src = "./images/nav/main_nav_red_11.gif";
	preLoadOne = true;
}

function preLoad2nd() {
	artists_off = new Image();
	artists_off.src = "./images/nav/2nd_level_nav_01_off.gif"
	artists_on = new Image();
	artists_on.src = "./images/nav/2nd_level_nav_01_on.gif"
	artists_red = new Image();
	artists_red.src = "./images/nav/2nd_level_nav_01_red.gif"
	service_off = new Image();
	service_off.src = "./images/nav/2nd_level_nav_02_off.gif"
	service_on = new Image();
	service_on.src = "./images/nav/2nd_level_nav_02_on.gif"
	service_red = new Image();
	service_red.src = "./images/nav/2nd_level_nav_02_red.gif"
	music_off = new Image();
	music_off.src = "./images/nav/2nd_level_nav_03_off.gif"
	music_on = new Image();
	music_on.src = "./images/nav/2nd_level_nav_03_on.gif"
	music_red = new Image();
	music_red.src = "./images/nav/2nd_level_nav_03_red.gif"
	preLoadTwo = true;
}

function doImageSwap(thisImage,thisState) {
	if ((thisImage != activeFirst) && (thisImage != activeSecond)) {
		if (preLoadOne) {
			document.images[thisImage].src = eval(thisImage + '_' + thisState + '.src');
		}
	}
}

//highlight the appropriate navigation element
function highlightActive() {
	document.images[activeFirst].src = eval(activeFirst + '_red.src');
	if (activeSecond != '') {
		document.images[activeSecond].src = eval(activeSecond + '_red.src');
	}
}