in maven-fluido-skin/src/main/resources/js/bootstrap-2.3.2.js [191:208]
Button.prototype.setState = function (state) {
var d = 'disabled'
, $el = this.$element
, data = $el.data()
, val = $el.is('input') ? 'val' : 'html'
state = state + 'Text'
data.resetText || $el.data('resetText', $el[val]())
$el[val](data[state] || this.options[state])
// push to event loop to allow forms to submit
setTimeout(function () {
state == 'loadingText' ?
$el.addClass(d).attr(d, d) :
$el.removeClass(d).removeAttr(d)
}, 0)
}