Bootstrap for dynamic widget widths

jQuery(document).ready(function($) {	
    var numwidgets = $('.header-widget-area section.widget').length;
    $('.header-widget-area').addClass('cols-'+numwidgets);
    var cols = 12/numwidgets;
    $('.header-widget-area section.widget').addClass('col-sm-'+cols);
    $('.header-widget-area section.widget').addClass('col-xs-12');
});