// inline images
var empac, empacSub, research, researchSub, missionSub, eventsSub, newsSub, aboutSub, contactSub, pressSub, buildingSub, commissionsSub, mission, events, news, about, contact, building, press, commissions;

// link buttons
var empacBase, empacRoll;
var empacSubBase, empacSubRoll;

var missionBase, missionRoll;
var missionSubBase, missionSubRoll;

var researchBase, researchRoll;
var researchSubBase, researchSubRoll;

var newsBase, newsRoll;
var newsSubBase, newsSubRoll;

var aboutBase, aboutRoll;
var aboutSubBase, aboutSubRoll;

var contactBase, contactRoll;
var contactSubBase, contactSubRoll;

var buildingBase, buildingRoll;
var buildingSubBase, buildingSubRoll;

var pressBase, pressRoll;
var pressSubBase, pressSubRoll;

var eventsBase, eventsRoll;
var eventsSubBase, eventsSubRoll;

var commissionsBase, commissionsRoll;
var ecommissionsSubBase, commissionsSubRoll;


//Below is the code that pre-loads the graphics 

  empacBase = new Image();
  empacBase.src = "/graphics/nav/empac.gif";
  empacRoll = new Image();
  empacRoll.src = "/graphics/nav/empacON.gif";
  
  empacSubBase = new Image();
  empacSubBase.src = "/graphics/nav/empacsub.gif";
  empacSubRoll = new Image();
  empacSubRoll.src = "/graphics/nav/empacsubON.gif";

  missionBase = new Image();
  missionBase.src = "/graphics/nav/mission.gif";
  missionRoll = new Image();
  missionRoll.src = "/graphics/nav/missionON.gif";
 
  missionSubBase = new Image();
  missionSubBase.src = "/graphics/nav/missionsub.gif";
  missionSubRoll = new Image();
  missionSubRoll.src = "/graphics/nav/missionsubON.gif";
  
  researchBase = new Image();
  researchBase.src = "/graphics/nav/research.gif";
  researchRoll = new Image();
  researchRoll.src = "/graphics/nav/researchON.gif";
 
  researchSubBase = new Image();
  researchSubBase.src = "/graphics/nav/researchsub.gif";
  researchSubRoll = new Image();
  researchSubRoll.src = "/graphics/nav/researchsubON.gif";
 
  eventsBase = new Image();
  eventsBase.src = "/graphics/nav/events.gif";
  eventsRoll = new Image();
  eventsRoll.src = "/graphics/nav/eventsON.gif";

  eventsSubBase = new Image();
  eventsSubBase.src = "/graphics/nav/eventsSub.gif";
  eventsSubRoll = new Image();
  eventsSubRoll.src = "/graphics/nav/eventsSubON.gif";

  newsBase = new Image();
  newsBase.src = "/graphics/nav/news.gif";
  newsRoll = new Image();
  newsRoll.src = "/graphics/nav/newsON.gif";
 
  newsSubBase = new Image();
  newsSubBase.src = "/graphics/nav/newssub.gif";
  newsSubRoll = new Image();
  newsSubRoll.src = "/graphics/nav/newssubON.gif";
  
  aboutBase = new Image();
  aboutBase.src = "/graphics/nav/about.gif";
  aboutRoll = new Image();
  aboutRoll.src = "/graphics/nav/aboutON.gif";

  aboutSubBase = new Image();
  aboutSubBase.src = "/graphics/nav/aboutsub.gif";
  aboutSubRoll = new Image();
  aboutSubRoll.src = "/graphics/nav/aboutsubON.gif";

  contactBase = new Image();
  contactBase.src = "/graphics/nav/contact.gif";
  contactRoll = new Image();
  contactRoll.src = "/graphics/nav/contactON.gif";

  contactSubBase = new Image();
  contactSubBase.src = "/graphics/nav/contactsub.gif";
  contactSubRoll = new Image();
  contactSubRoll.src = "/graphics/nav/contactsubON.gif";
  
  buildingBase = new Image();
  buildingBase.src = "/graphics/nav/building.gif";
  buildingRoll = new Image();
  buildingRoll.src = "/graphics/nav/buildingON.gif";
  
  buildingSubBase = new Image();
  buildingSubBase.src = "/graphics/nav/buildingsub.gif";
  buildingSubRoll = new Image();
  buildingSubRoll.src = "/graphics/nav/buildingsubON.gif";
  
  pressBase = new Image();
  pressBase.src = "/graphics/nav/presskit.gif";
  pressRoll = new Image();
  pressRoll.src = "/graphics/nav/presskitON.gif";

  pressSubBase = new Image();
  pressSubBase.src = "/graphics/nav/presskitsub.gif";
  pressSubRoll = new Image();
  pressSubRoll.src = "/graphics/nav/presskitsubON.gif";

  commissionsBase = new Image();
  commissionsBase.src = "/graphics/nav/commissions.gif";
  commissionsRoll = new Image();
  commissionsRoll.src = "/graphics/nav/commissionsON.gif";

  commissionsSubBase = new Image();
  commissionsSubBase.src = "/graphics/nav/commissionssub.gif";
  commissionsSubRoll = new Image();
  commissionsSubRoll.src = "/graphics/nav/commissionssubON.gif";

// rollover swapping function
function fSwapImage( in_InLineImgID, in_SwapImg )
{
  in_InLineImgID.src = in_SwapImg.src; 
	return;
}