JS docs: add Options, Methods, Events subsections to nav sidebar

docs/_includes/js/carousel.html

@@ -152,7 +152,7 @@
 $('.carousel').carousel()
 {% endhighlight %}
 
-  <h3>Options</h3>
+  <h3 id="carousel-options">Options</h3>
   <p>Options can be passed via data attributes or JavaScript. For data attributes, append the option name to <code>data-</code>, as in <code>data-interval=""</code>.</p>
   <div class="table-responsive">
     <table class="table table-bordered table-striped">
@@ -193,7 +193,7 @@ $('.carousel').carousel()
     </table>
   </div><!-- /.table-responsive -->
 
-  <h3>Methods</h3>
+  <h3 id="carousel-methods">Methods</h3>
 
   <h4>.carousel(options)</h4>
   <p>Initializes the carousel with an optional options <code>object</code> and starts cycling through items.</p>
@@ -219,7 +219,7 @@ $('.carousel').carousel({
   <h4>.carousel('next')</h4>
   <p>Cycles to the next item.</p>
 
-  <h3>Events</h3>
+  <h3 id="carousel-events">Events</h3>
   <p>Bootstrap's carousel class exposes two events for hooking into carousel functionality.</p>
   <p>Both events have the following additional properties:</p>
   <ul>