var homeOff = new Image;
var homeOn = new Image;
var aboutOn = new Image;
var aboutOff = new Image;
var eventsOn = new Image;
var eventsOff = new Image;
var mediaOn = new Image;
var mediaOff = new Image;
var forumOn = new Image;
var forumOff = new Image;
var adminOn = new Image;
var adminOff = new Image;

var homeRightOn = new Image;
var homeRightOff = new Image;

var aboutLeftOn = new Image;
var aboutRightOff = new Image;
var aboutRightOn = new Image;

var eventsLeftOn = new Image;
var eventsRightOff = new Image;
var eventsRightOn = new Image;

var mediaLeftOn = new Image;

var forumRightOff = new Image;
var forumRightOn = new Image;

var adminLeftOn = new Image;
var adminLeftOff = new Image;

homeOff.src = "../Images/nav1.gif";
homeOn.src = "../Images/navroll1.gif";

aboutOff.src = "../Images/nav2.gif";
aboutOn.src = "../Images/navroll2.gif";

eventsOff.src = "../Images/nav3.gif";
eventsOn.src = "../Images/navroll3.gif";

mediaOff.src = "../Images/nav4.gif";
mediaOn.src = "../Images/navroll4.gif";

forumOff.src = "../Images/lowernav1.gif";
forumOn.src = "../Images/lowernavroll1.gif";

adminOff.src = "../Images/lowernav2.gif";
adminOn.src = "../Images/lowernavroll2.gif";

homeRightOff.src = "../Images/nav1a.gif";
homeRightOn.src = "../Images/nav1b.gif";

aboutLeftOn.src = "../Images/nav1c.gif";
aboutRightOff.src = "../Images/nav2a.gif";
aboutRightOn.src = "../Images/nav2b.gif";

eventsLeftOn.src = "../Images/nav2c.gif";
eventsRightOff.src = "../Images/nav3a.gif";
eventsRightOn.src = "../Images/nav3b.gif";

mediaLeftOn.src = "../Images/nav3c.gif";

forumRightOff.src = "../Images/lowernav1a.gif";
forumRightOn.src = "../Images/lowernav1b.gif";

adminLeftOff.src = "../Images/lowernav1a.gif";
adminLeftOn.src = "../Images/lowernav1c.gif";

function rollOnHome()
{
    document.getElementById('nav1a').src = homeRightOn.src;     
}

function rollOffHome()
{
    document.getElementById('nav1a').src = homeRightOff.src;   
}

function rollOnAbout()
{
    document.getElementById('nav2a').src = aboutRightOn.src;
    document.getElementById('nav1a').src = aboutLeftOn.src;
}

function rollOffAbout()
{
    document.getElementById('nav2a').src = aboutRightOff.src;
    document.getElementById('nav1a').src = homeRightOff.src;    
}

function rollOnEvents()
{
    document.getElementById('nav3a').src = eventsRightOn.src;
    document.getElementById('nav2a').src = eventsLeftOn.src;
}

function rollOffEvents()
{
    document.getElementById('nav3a').src = eventsRightOff.src;
    document.getElementById('nav2a').src = aboutRightOff.src;    
}

function rollOnMedia()
{
    document.getElementById('nav3a').src = mediaLeftOn.src;
}

function rollOffMedia()
{
    document.getElementById('nav3a').src = eventsRightOff.src;
}

function rollOnForum()
{
    document.getElementById('lowernav1a').src = forumRightOn.src;
}

function rollOffForum()
{
    document.getElementById('lowernav1a').src = forumRightOff.src;
}

function rollOnAdmin()
{
    document.getElementById('lowernav1a').src = adminLeftOn.src;    
}

function rollOffAdmin()
{
    document.getElementById('lowernav1a').src = adminLeftOff.src;   
}