function setUpRushes() {
    if (document.getElementById) {
        if (document.getElementById('rushescourt')) {
        tba = document.getElementById('rushescourt')
        tba.onmouseover = changeRushes
        tba.onmouseout = resetImage
        }
    }
}
function setUpCloisters() {
    if (document.getElementById) {
        if (document.getElementById('cloisters')) {
        tba = document.getElementById('cloisters')
        tba.onmouseover = changeCloisters
        tba.onmouseout = resetImage
        }
    }
}
function changeRushes() {
    if (document.getElementById) {
        if (document.getElementById('sideimage')) {
        document.getElementById('sideimage').src = "images/photos/rushes_top.jpg";
        }
    }
}
function changeCloisters() {
    if (document.getElementById) {
        if (document.getElementById('sideimage')) {
        document.getElementById('sideimage').src = "images/photos/cloistersmontage.jpg";
        }
   }
}
function resetImage() {
/*    if (document.getElementById) {
        if (document.getElementById('sideimage')) {
        document.getElementById('sideimage').src = "images/photos/small/lifestyle1.jpg";
        }
    } */
}
window.onload = function() { 
setUpRushes()
setUpCloisters()
}