function popUp(id, toDo) // 1 visible, 0 hidden
{
    if (document.layers) { document.layers[id].display = toDo ? "block" : "none"; }
    else if (document.getElementById) { var obj = document.getElementById(id); obj.style.display = toDo ? "block" : "none"; }
    else if (document.all) { document.all[id].style.display = toDo ? "block" : "none"; }
}
// Show/Hide Layers
function showIt(id) {
    document.getElementById(id).style.visibility = "visible";
}
function hideIt(id) {
    document.getElementById(id).style.visibility = "hidden";
}
/* Script for changing css class on mouseover */
function changeClass(id, newClass) {
    if (typeof (id) == 'object')
        id.className = newClass;
    else
        document.getElementById(id).className = newClass;
}