anchor.diff:    <div class="ui form">
       <div class="field">
         <label>End</label>
  -      <input id="date_timepicker_end" type="text" readonly="readonly">
  +      <input id="date_timepicker_end" type="text">
       </div>
     </div>
   
  
positive.code:     format:'m/d/Y',
      onShow:function( ct ){
       this.setOptions({
        maxDate:jQuery('#date_timepicker_end').val()?jQuery('#date_timepicker_end').val():false
       })
      },
  
negative.code: 	<div class="ui form">
    	<div class="field">
  			<label>Start</label>
        <input id="date_timepicker_start" type="text">
  		</div>
  	</div>
  
  