Second question is, How to download image in browser ( captcha ) without requesting second time?
<div class="form_item " id="captcha_cont">
<div class="form_input check rule_captcha rule_required ">
<div class="dmco_form_input dmco_form_captcha" id="captcha">
<input name="captcha" type="text" id="captchaInput" autocomplete="off" autocorrect="off" autocapitalize="off" placeholder="Salin teks" class=" check rule_captcha rule_required text">
<div style="background-image: url(/dmcaptcha?reset=1&rand=1429983437);" id="captcha_image"></div>
<div class="dmco_simplelink dmco_link">
<a href="javascript:void(0);" class="dmco_link not_ajax" title="Perbaiki" id="cantread">Perbaiki</a>
</div>
<div class="dmco_clear"></div>
</div>
</div>
</div>