// preload images used in menu and toolbar rollovers

if (document.images)
   {
   // menu 

  
  areas1 = new Image(175,20);
  areas1.src = "images/nav/areas-on.gif";
   areas2 = new Image(175,20);
   areas2.src = "images/nav/areas-off.gif";

staff1 = new Image(175,20);
staff1.src = "images/nav/staff-on.gif";
 staff2 = new Image(175,20);
 staff2.src = "images/nav/staff-off.gif";

   policies1 = new Image(175,35);
   policies1.src = "images/nav/policies-on.gif";
   policies2 = new Image(175,35);
   policies2.src = "images/nav/policies-off.gif";

   ogc1 = new Image(175,35);
   ogc1.src = "images/nav/ogc-on.gif";
   ogc2 = new Image(175,35);
   ogc2.src = "images/nav/ogc-off.gif";
   
   services1 = new Image(175,20);
   services1.src = "images/nav/services-on.gif";
   services2 = new Image(175,20);
   services2.src = "images/nav/services-off.gif";

  
employ1 = new Image(175,20);
   employ1.src = "images/nav/employ-on.gif";
   employ2 = new Image(175,20);
   employ2.src = "images/nav/employ-off.gif";
   
    news1 = new Image(175,20);
   news1.src = "images/nav/news-on.gif";
   news2 = new Image(175,20);
   news2.src = "images/nav/news-off.gif";


   uphs1 = new Image(175,20);
   uphs1.src = "images/nav/uphs-on.gif";
   uphs2 = new Image(175,20);
   uphs2.src = "images/nav/uphs-off.gif";

externships1 = new Image(175,20);
   externships1.src = "images/nav/externships-on.gif";
  externships2 = new Image(175,20);
   externships2.src = "images/nav/externships-off.gif";


workshops1 = new Image(175,20);
   workshops1.src = "images/nav/workshops-on.gif";
  workshops2 = new Image(175,20);
   workshops2.src = "images/nav/workshops-off.gif";

notary1 = new Image(175,20);
   notary1.src = "images/nav/notary-on.gif";
  notary2 = new Image(175,20);
   notary2.src = "images/nav/notary-off.gif";

referrals1 = new Image(175,20);
   referrals1.src = "images/nav/referrals-on.gif";
  referrals2 = new Image(175,20);
   referrals2.src = "images/nav/referrals-off.gif";

 contact1 = new Image(175,20);
  contact1.src = "images/nav/contact-on.gif";
  contact2 = new Image(175,20);
  contact2.src = "images/nav/contact-off.gif";



  // toolbar

   home1 = new Image(28,23);
   home1.src = "images/toolbar/home1.gif";
   home2 = new Image(28,23);
   home2.src = "images/toolbar/home2.gif";

   az1 = new Image(44,23);
   az1.src = "images/toolbar/az1.gif";
   az2 = new Image(44,23);
   az2.src = "images/toolbar/az2.gif";

   directories1 = new Image(54,23);
   directories1.src = "images/toolbar/directories1.gif";
   directories2 = new Image(54,23);
   directories2.src = "images/toolbar/directories2.gif";

   calendar1 = new Image(45,23);
   calendar1.src = "images/toolbar/calendar1.gif";
   calendar2 = new Image(45,23);
   calendar2.src = "images/toolbar/calendar2.gif";

   maps1 = new Image(27,23);
   maps1.src = "images/toolbar/maps1.gif";
   maps2 = new Image(27,23);
   maps2.src = "images/toolbar/maps2.gif";

   search1 = new Image(33,23);
   search1.src = "images/toolbar/search1.gif";
   search2 = new Image(33,23);
   search2.src = "images/toolbar/search2.gif";
   
    advanced1 = new Image(72,23);
   advanced1.src = "images/toolbar/advanced1a.gif";
   advanced2 = new Image(72,23);
   advanced2.src = "images/toolbar/advanced2a.gif";
   
   }

// simple image replacement

function imgSwap(imgDocID,imgObjName)
   {
   if (document.images)
      {
      document.images[imgDocID].src = eval(imgObjName + ".src")
      }
   }