<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<link href="http://www.a1b5.net/metro/assets/global/plugins/bootstrap-datepicker/css/bootstrap-datepicker3.min.css" rel="stylesheet" type="text/css" />
<link href="http://www.a1b5.net/metro/assets/global/plugins/bootstrap-datepicker/css/bootstrap-datepicker.min.css" rel="stylesheet" type="text/css" />
<script src="http://www.a1b5.net/metro/assets/global/plugins/bootstrap-datepicker/js/bootstrap-datepicker.min.js" type="text/javascript"></script>
<script src="http://www.a1b5.net/metro/assets/pages/scripts/components-date-time-pickers.min.js" type="text/javascript"></script>
<div class="form-horizontal">
<div class="form-body">
<div id="date1" class="clonedInput_4">
<div class="form-group">
<label class="control-label col-md-3 label_date">Date</label>
<div class="col-md-3 fields">
<div id="name_data">
<div class="input-group">
<input class="form-control form-control-inline input-medium date-picker" id="datepicker" name="name[0][date]">
</div>
</div>
<span class="help-block">Choose a date </span>
</div>
</div>
</div>
<div class="form-group">
<label class="control-label col-md-3"></label>
<div class="col-md-4">
<button type="button" id="btnAdd_4" name="btnAdd_4" class="btn btn-primary">Add new date</button>
<button type="button" id="btnDel_4" name="btnDel_4" class="btn btn-danger">Remove last one</button>
</div>
</div>
</div>