// JavaScript Document

// Global variables
var pageOn;
var subPageOn;


var topNav = new Array('home','capabilities','materials','addedvalue','materialsmgmt','contact');
var capabilitiesNav = new Array('cmm','cncmilling','cncturning','cncswiss','assembly','prototype','toolmaking','partmarking');
var materialsNav = new Array('aluminum','steel','titanium','brass','copper','stainless','mica','plastic');
var addedvalueNav = new Array('heattreat','rollthread','plating','anodizing','brazing','fabricating','forging');
var materialsmgmtNav = new Array('ups','jit');

function preloadNav(pageName) {
	for (i=0;i<topNav.length;i++) {
		var navItem = new Image();
		navItem.src = 'img/nav/' + topNav[i] + '-r.gif';
	}
	
	if (pageName == 'capabilities') {
		for (i=0;i<capabilitiesNav.length;i++) {
		var navItem = new Image();
		navItem.src = 'img/nav/capabilities/' + capabilitiesNav[i] + '-r.gif';
		}
	}
	
	if (pageName == 'materials') {
		for (i=0;i<materialsNav.length;i++) {
		var navItem = new Image();
		navItem.src = 'img/nav/materials/' + materialsNav[i] + '-r.gif';
		}
	}
	
	if (pageName == 'addedvalue') {
		for (i=0;i<addedvalueNav.length;i++) {
		var navItem = new Image();
		navItem.src = 'img/nav/addedvalue/' + addedvalueNav[i] + '-r.gif';
		}
	}
	
	if (pageName == 'materialsmgmt') {
		for (i=0;i<materialsmgmtNav.length;i++) {
		var navItem = new Image();
		navItem.src = 'img/nav/materialsmgmt/' + materialsmgmtNav[i] + '-r.gif';
		}
	}
}

function hiLight() {
	document.images[pageOn].src = 'img/nav/' + pageOn + '-r.gif';
	if (subPageOn) {
	document.images[subPageOn].src = 'img/nav/' + pageOn + '/' + subPageOn + '-r.gif';
	}
}

function init(pageName,subPage) {
	preloadNav(pageName);
	pageOn = pageName;
	subPageOn = subPage
	hiLight();
}