<input tabindex="-1" class="filestyle" id="filestyle-0" 
       style="position: absolute; clip: rect(0px, 0px, 0px, 0px);" 
       type="file" 
       data-icon="false"
       onchange="readURL(this, 'photo_0');" 
       name="person_image"
       value="<?php echo set_value('person_image'); ?>">
<div class="bootstrap-filestyle input-group">
    <input disabled="" class="form-control " type="text" id="image_name"> 
    <span tabindex="0" class="group-span-filestyle input-group-btn">
        <label class="btn btn-default " for="filestyle-0">
            <span class="buttonText">Choose file</span>
        </label>
    </span>
</div>
<!--<input type="file" class="filestyle" data-icon="false" onchange="readURL(this, 'photo_0');" name="person_image">-->