function getMousePosition() {
    return {
        screenX: window.screenX,
        screenY: window.screenY,
        clientX: window.event ? window.event.clientX : 0,
        clientY: window.event ? window.event.clientY : 0
    };
}

function getElementAtPosition(x, y) {
    return document.elementFromPoint(x, y);
}