function showOffset(object,x,y) {
    if (document.layers && document.layers[object]) {
        document.layers[object].left += x;
        document.layers[object].top += y;
        document.layers[object].visibility = 'visible';
    }
    else if (document.all) {
        document.all[object].style.posLeft = document.all[object].offsetLeft + x;
        document.all[object].style.posTop = document.all[object].offsetTop + y;
        document.all[object].style.visibility = 'visible';
    }
}

function hideOffset(object,x,y) {
    if (document.layers && document.layers[object]) {
        document.layers[object].visibility = 'hidden';
        document.layers[object].left -= x;
        document.layers[object].top -= y;
    }
    else if (document.all) {
        document.all[object].style.visibility = 'hidden';
        document.all[object].style.posLeft -= x;
        document.all[object].style.posTop -= y;
    }
}