in maven-fluido-skin/src/main/resources/js/bootstrap-2.3.2.js [1553:1565]
function ScrollSpy(element, options) {
var process = $.proxy(this.process, this)
, $element = $(element).is('body') ? $(window) : $(element)
, href
this.options = $.extend({}, $.fn.scrollspy.defaults, options)
this.$scrollElement = $element.on('scroll.scroll-spy.data-api', process)
this.selector = (this.options.target
|| ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
|| '') + ' .nav li > a'
this.$body = $('body')
this.refresh()
this.process()
}