// scripts by ian cavalier
   // http://www.oxygenesis.com/
   // feel free to use/modify the following scripts any way you like as
   // long as these four comment lines remain with the source code.  thanks.


// CHANGE WINDOW STATUS BAR ONMOUSEOVER
   function changeStatus(status) {
     window.status = status;
   }


// PRELOAD HIDDEN IMAGES TO CACHE
   // define imgSwap function
   function imgSwap(imgObjectName, imgObjectState) {

   // test browser compatibility
   if (navigator.appName== "Netscape" && parseInt(navigator.appVersion) >= 3) {
     imgObject = new Object();
     imgObject = imgObjectName;
     imgObject.src = imgObjectState;
     }
   }

   // define imgPreLoad function
   function imgPreLoad(i, img) {

   // test browser compatibility
   if (navigator.appName== "Netscape" && parseInt(navigator.appVersion) >= 3) {
     cacheImg[i] = new Image();
     cacheImg[i].src = img;
     }
   }

   // name images
   overview2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-overview-on.gif";
   presentations2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-presentations-on.gif";
   schedule2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-schedule-on.gif";
   registration2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-registration-on.gif";
   speakers2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-speakers-on.gif";
   sponsors2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-sponsors-on.gif";
   hoteltravel2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-hoteltravel-on.gif";
   planning2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-planning-on.gif";
   links2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-links-on.gif";
   contact2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-contact-on.gif";
   home2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-home-on.gif";
   awards2 = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-awards-on.gif";

   // load images
   cacheImg = new Array();
   imgPreLoad(1,overview2);
   imgPreLoad(2,presentations2);
   imgPreLoad(3,schedule2);
   imgPreLoad(4,registration2);
   imgPreLoad(5,speakers2);
   imgPreLoad(6,sponsors2);
   imgPreLoad(7,hoteltravel2);
   imgPreLoad(8,planning2);
   imgPreLoad(9,links2);
   imgPreLoad(10,contact2);
   imgPreLoad(11,home2);
   imgPreLoad(12,awards2);


// CHECK BROWSER VERSION TO DETERMINE IF MS FUNCTIONS WILL BE ACTIVATED
   bn = navigator.appName;
   bv = parseFloat(navigator.appVersion); 

   if (bn == "Netscape" && bv < 2.0)
	{
	roll = 'false';
	}
   else if (bn == "Netscape" && bv == 2.0)
	{
	roll = 'false';
	}
   else if (bn == "Netscape" && bv >= 3.0)
	{
	roll = 'true';
	}
   else if (bn == "Microsoft Internet Explorer" && bv <= 2.0)
	{
	roll = 'false';
	}
   else if (bn == "Microsoft Internet Explorer" && bv >= 3.0)
	{
	roll = 'true';
	}
   else
	{
	roll = 'false';
	}

   function msover(img,ref)
	{
		if (roll == 'true')
			{
			document.images[img].src = ref;
			}
	}
	
   function msout(img,ref)
	{
		if (roll == 'true')
			{
			document.images[img].src = ref;
			}
	}
	
   function msover2(img1,ref1,img2,ref2)
	{
		if (roll == 'true')
			{
			document.images[img1].src = ref1;
			document.images[img2].src = ref2;
			}
	}
	
   function msout2(img1,ref1,img2,ref2)
	{
		if (roll == 'true')
			{
			document.images[img1].src = ref1;
			document.images[img2].src = ref2;
			}
	}
	

// DEFINE SHOWN AND HIDDEN IMAGES THAT WILL APPEAR ONMOUSEOVER
   agent = navigator.userAgent
   browserversion = 1

   if (agent.indexOf("a/2",6) == -1) { 
     browserversion = 1} 
   else { 
     browserversion = 2}

   if (browserversion == 1) {

   overview1 = new Image(170,22);
   overview1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-overview.gif";
   overview2 = new Image(170,22);
   overview2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-overview-on.gif";

   presentations1 = new Image(170,20);
   presentations1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-presentations.gif";
   presentations2 = new Image(170,20);
   presentations2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-presentations-on.gif";

   schedule1 = new Image(170,21);
   schedule1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-schedule.gif";
   schedule2 = new Image(170,21);
   schedule2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-schedule-on.gif";

   registration1 = new Image(170,20);
   registration1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-registration.gif";
   registration2 = new Image(170,20);
   registration2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-registration-on.gif";

   awards1 = new Image(170,21);
   awards1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-awards.gif";
   awards2 = new Image(170,21);
   awards2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-awards-on.gif";

   speakers1 = new Image(170,21);
   speakers1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-speakers.gif";
   speakers2 = new Image(170,21);
   speakers2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-speakers-on.gif";

   sponsors1 = new Image(170,20);
   sponsors1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-sponsors.gif";
   sponsors2 = new Image(170,20);
   sponsors2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-sponsors-on.gif";

   hoteltravel1 = new Image(170,20);
   hoteltravel1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-hoteltravel.gif";
   hoteltravel2 = new Image(170,20);
   hoteltravel2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-hoteltravel-on.gif";

   planning1 = new Image(170,20);
   planning1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-planning.gif";
   planning2 = new Image(170,20);
   planning2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-planning-on.gif";

   links1 = new Image(170,22);
   links1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-links.gif";
   links2 = new Image(170,22);
   links2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-links-on.gif";

   contact1 = new Image(170,20);
   contact1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-contact.gif";
   contact2 = new Image(170,20);
   contact2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-contact-on.gif";

   home1 = new Image(170,18);
   home1.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-home.gif";
   home2 = new Image(170,18);
   home2.src = "http://oregonstate.edu/instruct/ecampus/ucea/images/menu-home-on.gif";

   }

   function viewReplace(imgDocID,imgObjName) { 
     if (browserversion == 1) {
       document.images[imgDocID].src = eval(imgObjName + ".src")
     }
   }