CODE EXAMPLE FOR JAVASCRIPT

prevent click other tab bootstrap tabs

<button class="btn btn-warning prevtab" type="button" onclick="return showPrev()"><span class="glyphicon glyphicon-arrow-left"></span>Previous </button>
 <button class="btn btn-info prevtab" type="button" onclick="return showNext()"><span class="glyphicon glyphicon-arrow-right"></span>Next </button>