// preload images

// Primary Nav
var pnHome = new Image;
pnHome.src = baseurl + "/img/navigation/nav_home.jpg";
var pnHomeOver = new Image();
pnHomeOver.src = baseurl + "/img/navigation/nav_home_over.jpg";
var pnHomeSel = new Image();
pnHomeSel.src = baseurl + "/img/navigation/nav_home_sel.jpg";
var pnHomeSelOver = new Image();
pnHomeSelOver.src = baseurl + "/img/navigation/nav_home_selover.jpg";
var pnProcess = new Image();
pnProcess.src = baseurl + "/img/navigation/nav_process.jpg";
var pnProcessOver = new Image();
pnProcessOver.src = baseurl + "/img/navigation/nav_process_over.jpg";
var pnProcessSelOver = new Image();
pnProcessSelOver.src = baseurl + "/img/navigation/nav_process_selover.jpg";
var pnProcessSel = new Image();
pnProcessSel.src = baseurl + "/img/navigation/nav_process_sel.jpg";
var pnInsights = new Image();
pnInsights.src = baseurl + "/img/navigation/nav_insights.jpg";
var pnInsightsOver = new Image();
pnInsightsOver.src = baseurl + "/img/navigation/nav_insights_over.jpg";
var pnInsightsSel = new Image();
pnInsightsSel.src = baseurl + "/img/navigation/nav_insights_sel.jpg";
var pnInsightsSelOver = new Image();
pnInsightsSelOver.src = baseurl + "/img/navigation/nav_insights_selover.jpg";
var pnOurWork  = new Image();
pnOurWork.src = baseurl + "/img/navigation/nav_ourwork.jpg";
var pnOurWorkOver = new Image();
pnOurWorkOver.src = baseurl + "/img/navigation/nav_ourwork_over.jpg";
var pnOurWorkSel = new Image();
pnOurWorkSel.src = baseurl + "/img/navigation/nav_ourwork_sel.jpg";
var pnOurWorkSelOver = new Image();
pnOurWorkSelOver.src = baseurl + "/img/navigation/nav_ourwork_selover.jpg";
var pnServices = new Image();
pnServices.src = baseurl + "/img/navigation/nav_services.jpg";
var pnServicesOver = new Image();
pnServicesOver.src = baseurl + "/img/navigation/nav_services_over.jpg";
var pnServicesSel = new Image();
pnServicesSel.src = baseurl + "/img/navigation/nav_services_sel.jpg";
var pnServicesSelOver = new Image();
pnServicesSelOver.src = baseurl + "/img/navigation/nav_services_selover.jpg";
var pnTeam = new Image();
pnTeam.src = baseurl + "/img/navigation/nav_team.jpg";
var pnTeamOver = new Image();
pnTeamOver.src = baseurl + "/img/navigation/nav_team_over.jpg";
var pnTeamSel = new Image();
pnTeamSel.src = baseurl + "/img/navigation/nav_team_sel.jpg";
var pnTeamSelOver = new Image();
pnTeamSelOver.src = baseurl + "/img/navigation/nav_team_selover.jpg";
var pnWhySwat = new Image();
pnWhySwat.src = baseurl + "/img/navigation/nav_whyswat.jpg";
var pnWhySwatOver = new Image();
pnWhySwatOver.src = baseurl + "/img/navigation/nav_whyswat_over.jpg";
var pnWhySwatSel = new Image();
pnWhySwatSel.src = baseurl + "/img/navigation/nav_whyswat_sel.jpg";
var pnWhySwatSelOver = new Image();
pnWhySwatSelOver.src = baseurl + "/img/navigation/nav_whyswat_selover.jpg";
var pnContact = new Image();
pnContact.src = baseurl + "/img/navigation/nav_contact.jpg";
var pnContactOver = new Image();
pnContactOver.src = baseurl + "/img/navigation/nav_contact_over.jpg";
var pnContactSel = new Image();
pnContactSel.src = baseurl + "/img/navigation/nav_contact_sel.jpg";
var pnContactSelOver = new Image();
pnContactSelOver.src = baseurl + "/img/navigation/nav_contact_selover.jpg";


// Process Subnav
if(primaryNav == 'pnProcess')
{
	var snFutureThinkers = new Image();
	snFutureThinkers.src = baseurl + "/img/navigation/subnav_futurethinkers.gif";
	var snFutureThinkersOver = new Image();
	snFutureThinkersOver.src = baseurl + "/img/navigation/subnav_futurethinkers_over.gif";
}


// Insights Subnav
if(primaryNav == 'pnInsights')
{
	var snGenerator = new Image();
	snGenerator.src = baseurl + "/img/navigation/subnav_generator.gif";
	var snGeneratorOver = new Image();
	snGeneratorOver.src = baseurl + "/img/navigation/subnav_generator_over.gif";
	var snListOfPains = new Image();
	snListOfPains.src = baseurl + "/img/navigation/subnav_listofpains.gif";
	var snListOfPainsOver = new Image();
	snListOfPainsOver.src = baseurl + "/img/navigation/subnav_listofpains_over.gif";
	var snFiveBigPains = new Image();
	snFiveBigPains.src = baseurl + "/img/navigation/subnav_big5pains.gif";
	var snFiveBigPainsOver = new Image();
	snFiveBigPainsOver.src = baseurl + "/img/navigation/subnav_big5pains_over.gif";
}

if(primaryNav == 'pnOurWork')
{
	var snClients = new Image();
	snClients.src = baseurl + "/img/navigation/subnav_clients.gif";
	var snClientsOver = new Image();
	snClientsOver.src = baseurl + "/img/navigation/subnav_clients_over.gif";
	var snCaseStudies = new Image();
	snCaseStudies.src = baseurl + "/img/navigation/subnav_casestudies.gif";
	var snCaseStudiesOver = new Image();
	snCaseStudiesOver.src = baseurl + "/img/navigation/subnav_casestudies_over.gif";
}


function swapImage(obj, state)
{
	if(obj != primaryNav && obj != secondaryNav) {
		setImage(obj, state);
	}
}


function setImage(obj, state)
{
	switch(state)
	{
		case 'over':
			document.images[obj].src = eval(obj + "Over.src");
			break;
		case 'off':
			document.images[obj].src = eval(obj + ".src");
			break;
		case 'selected':
			document.images[obj].src = eval(obj + "Sel.src");
			break;
		case 'selected-over':
			document.images[obj].src = eval(obj + "SelOver.src");
			break;
	}
}



function setActiveImages()
{
	if(primaryNav == '') {
		return;
	}
	else if(secondaryNav == '') {
		setImage(primaryNav, 'selected-over');
	}
	else {
		setImage(primaryNav, 'selected');
		setImage(secondaryNav, 'over');	
	} 
}