scrollIntoView

scrollIntoView.js

function scrollIntoView(elem) {
    var elemTop = elem.offset().top,
        elemBottom = elemTop + elem.height(),
        viewHeight = window.innerHeight,
        limitTop = window.scrollY,
        limitBottom = limitTop + viewHeight,
        offset = 10;

    if (elemTop < limitTop) {
        window.scrollTo(0, elemTop - offset);
    }
    if (elemBottom > limitBottom) {
        window.scrollTo(0, elemBottom + offset - viewHeight);
    }
}