Wizard With Progress Bar using events

HTML

<div id="rootwizard">

	<div class="navbar">

	  <div class="navbar-inner">

	    <div class="container">

	<ul>

	  	<li><a href="#tab1" data-toggle="tab">First</a></li>

		<li><a href="#tab2" data-toggle="tab">Second</a></li>

		<li><a href="#tab3" data-toggle="tab">Third</a></li>

		<li><a href="#tab4" data-toggle="tab">Forth</a></li>

		<li><a href="#tab5" data-toggle="tab">Fifth</a></li>

		<li><a href="#tab6" data-toggle="tab">Sixth</a></li>

		<li><a href="#tab7" data-toggle="tab">Seventh</a></li>

	</ul>

	 </div>

	  </div>

	</div>

	<div id="bar" class="progress progress-striped active">

	  <div class="bar"></div>

	</div>

	<div class="tab-content">

	    <div class="tab-pane" id="tab1">

	      1

	    </div>

	    <div class="tab-pane" id="tab2">

	      2

	    </div>

		<div class="tab-pane" id="tab3">

			3

	    </div>

		<div class="tab-pane" id="tab4">

			4

	    </div>

		<div class="tab-pane" id="tab5">

			5

	    </div>

		<div class="tab-pane" id="tab6">

			6

	    </div>

		<div class="tab-pane" id="tab7">

			7

	    </div>

		<ul class="pager wizard">

			<li class="previous first" style="display:none;"><a href="#">First</a></li>

			<li class="previous"><a href="#">Previous</a></li>

			<li class="next last" style="display:none;"><a href="#">Last</a></li>

		  	<li class="next"><a href="#">Next</a></li>

		</ul>

	</div>	

</div>

JS

$(document).ready(function() {

  	$('#rootwizard').bootstrapWizard({onTabShow: function(tab, navigation, index) {

		var $total = navigation.find('li').length;

		var $current = index+1;

		var $percent = ($current/$total) * 100;

		$('#rootwizard').find('.bar').css({width:$percent+'%'});

	}});

});