Get the scrollBar browser width tested on jQuery 1.8.3 IE7/8/9 Compatible

scrollbar_width.js

//Use this code to know the browser scrollbar width, for better calculation that you'll need in some cases 
//jQuery dependency 
function scrollbarWidth() {
    var div = $('<div class="divSize1" style="width:50px;height:50px;overflow:hidden;position:absolute;top:-200px;left:-200px;"><div class="divSize2" style="height:100px;"></div>');

    $('body').append(div);
    div.css('overflow-y', 'scroll');    
    res = $('.divSize1').outerWidth() - $('.divSize2').outerWidth();
    $(div).remove();
    return res;
}