// preload images used in menu and toolbar rollovers

if (document.images)
   {

	// toolbar

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

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

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

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

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

	search1 = new Image(33,23);
	search1.src = "/imgs/toolbar/search1.gif";
	search2 = new Image(33,23);
	search2.src = "/imgs/toolbar/search2.gif";

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

// simple image replacement

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