var oldColours = new Array()

function highlightTR(item)
{
oldColours[this] = item.style.backgroundColor;
item.style.backgroundColor="#f7f7f7";
}
function returnTR(item)
{
item.style.backgroundColor=oldColours[this];
}

function notesOn() {
    var object = document.getElementById("notes");
//     if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer") {
//         object.style.background = "";
//     }
    object.style.display = "block";
}
function notesOff() {
    var object = document.getElementById("notes")
    object.style.display = "none";
}