gistfile1.txt

<form method="POST" action="javascript:void(0)" target="_blank" class="search-form">
	<div class="form-group form-inline">
    <select name="class_date" class="search-select select-light select-inverse" onChange="this.form.action=this.options[this.selectedIndex].value;">
      <option value="">Choose a class date</option>    
      <option value="https://example.com">Monday, September 18 2017</option>
      <option value="https://example.com">Monday, September 25 2017</option>
      <option value="https://example.com">Monday, October 9 2017</option>
      <option value="https://example.com">Monday, October 16 2017</option>
      <option value="https://example.com">Monday, October 23 2017</option>
      <option value="https://example.com">Monday, October 30 2017</option>
      <option value="https://example.com">Monday, November 6 2017</option>
      <option value="https://example.com">Monday, November 13 2017</option>
    </select>
 		<input type="submit" value="Book Now" class="button btn btn-primary">
	</div>
</form>