HTML

<form id="commentForm" method="get" action="" class="form-horizontal">
<div id="rootwizard">
	<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>
	</ul>
	<div class="tab-content">
	    <div class="tab-pane" id="tab1">
	    	<div class="control-group">
			    <label class="control-label" for="email">Email</label>
			    <div class="controls">
			      <input type="text" id="emailfield" name="emailfield" class="required email">
			    </div>
			  </div>

			  <div class="control-group">
			    <label class="control-label" for="name">Name</label>
			    <div class="controls">
			      <input type="text" id="namefield" name="namefield" class="required">
			    </div>
			  </div>
	    </div>
	    <div class="tab-pane" id="tab2">
	      <div class="control-group">
			    <label class="control-label" for="url">URL</label>
			    <div class="controls">
			      <input type="text" id="urlfield" name="urlfield" class="required url">
			    </div>
			  </div>
	    </div>
		<div class="tab-pane" id="tab3">
			3
	    </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>
</form>

JS

$(document).ready(function() {
  	var $validator = $("#commentForm").validate({
		  rules: {
		    emailfield: {
		      required: true,
		      email: true,
		      minlength: 3
		    },
		    namefield: {
		      required: true,
		      minlength: 3
		    },
		    urlfield: {
		      required: true,
		      minlength: 3,
		      url: true
		    }
		  }
		});

	  	$('#rootwizard').bootstrapWizard({
	  		'tabClass': 'nav nav-pills',
	  		'onNext': function(tab, navigation, index) {
	  			var $valid = $("#commentForm").valid();
	  			if(!$valid) {
	  				$validator.focusInvalid();
	  				return false;
	  			}
	  		}
	  	});
});