Placeholder in registration form

<?php
/**
 * @package	HikaShop for Joomla!
 * @version	2.3.0
 * @author	hikashop.com
 * @copyright	(C) 2010-2014 HIKARI SOFTWARE. All rights reserved.
 * @license	GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */
defined('_JEXEC') or die('Restricted access');
?><fieldset class="form-horizontal">
<?php
if($this->display_method==1){
	$this->simplified_registration=explode(',',$this->simplified_registration);

	if(in_array('2',$this->simplified_registration)){ $registration=2; }
	if(in_array('0',$this->simplified_registration)){ $registration=0; }
	if(in_array('1',$this->simplified_registration)){ $registration=1; }
	if(in_array('3',$this->simplified_registration)){ $registration=3; }
	$this->simplified_registration = $registration;
}

if(!$this->simplified_registration){ ?>
	<div class="control-group hikashop_registration_name_line" id="hikashop_registration_name_line">
		<div class="control-label">
			<label id="namemsg" for="register_name" class="required" title=""><?php echo JText::_( 'HIKA_USER_NAME' ); ?></label>
		</div>
		<div class="controls">
			<input type="text" name="data[register][name]" id="register_name"  value="<?php echo $this->escape($this->mainUser->get( 'name' ));?>" class="required" size="30" maxlength="50" <?php if (!empty($this->registration_page)) echo ' aria-required="true" required="required"'; ?>> *
		</div>
	</div>
	<div class="control-group hikashop_registration_username_line" id="hikashop_registration_username_line">
		<div class="control-label">
			<label id="usernamemsg" for="register_username" class="required" title=""><?php echo JText::_( 'HIKA_USERNAME' ); ?></label>
		</div>
		<div class="controls">
			<input type="text" name="data[register][username]" id="register_username" value="<?php echo $this->escape($this->mainUser->get( 'username' ));?>" class="required validate-username" maxlength="25" size="30" <?php if (!empty($this->registration_page)) echo ' aria-required="true" required="required"'; ?>> *
		</div>
	</div>
<?php }?>
	<div class="control-group hikashop_registration_email_line">
		<div class="control-label">
			<label id="emailmsg" for="register_email" class="required" title=""><?php echo JText::_( 'HIKA_EMAIL' ); ?></label>
		</div>
		<div class="controls">
			<input type="text" name="data[register][email]" placeholder="activation link will be send" id="register_email"  value="<?php echo $this->escape($this->mainUser->get( 'email' ));?>" class="required validate-email" maxlength="100" size="30"<?php if (!empty($this->registration_page)) echo ' aria-required="true" required="required"'; ?>> *
		</div>
	</div>
  <?php if($this->config->get('show_email_confirmation_field',0)){ ?>
	<div class="control-group hikashop_registration_email_confirm_line">
		<div class="control-label">
			<label id="email_confirm_msg" for="register_email_confirm" class="required" title=""><?php echo JText::_( 'HIKA_EMAIL_CONFIRM' ); ?></label>
		</div>
		<div class="controls">
			<input type="text" name="data[register][email_confirm]" id="register_email_confirm" value="<?php echo $this->escape($this->mainUser->get( 'email' ));?>" class="required validate-email" maxlength="100" size="30" <?php if (!empty($this->registration_page)) echo ' aria-required="true" required="required"'; ?> onchange="if(this.value!=document.getElementById('register_email').value){alert('<?php echo JText::_('THE_CONFIRMATION_EMAIL_DIFFERS_FROM_THE_EMAIL_YOUR_ENTERED',true); ?>'); this.value = '';}"> *
		</div>
	</div>
<?php
}
if(!$this->simplified_registration || $this->simplified_registration == 3){ ?>
	<div class="control-group hikashop_registration_password_line" id="hikashop_registration_password_line">
		<div class="control-label">
			<label id="pwmsg" for="register_password" class="required" title=""><?php echo JText::_( 'HIKA_PASSWORD' ); ?></label>
		</div>
		<div class="controls">
			<input type="password" name="data[register][password]" id="register_password" value="" class="required validate-password" size="30" <?php if (!empty($this->registration_page)) echo ' aria-required="true" required="required"'; ?>> *
		</div>
	</div>
	<div class="control-group hikashop_registration_password2_line" id="hikashop_registration_password2_line">
		<div class="control-label">
			<label id="pw2msg" for="register_password2" class="required" title=""><?php echo JText::_( 'HIKA_VERIFY_PASSWORD' ); ?></label>
		</div>
		<div class="controls">
			<input type="password" name="data[register][password2]" id="register_password2" value="" class="required validate-password" size="30" <?php if (!empty($this->registration_page)) echo ' aria-required="true" required="required"'; ?>> *
		</div>
	</div>
<?php }
	$this->setLayout('custom_fields_bootstrap');
	$this->type = 'user';
	echo $this->loadTemplate();

if($this->config->get('affiliate_registration',0)){ ?>
	<div class="control-group hikashop_registration_password2_line">
		<div class="controls">
<?php
	$affiliate_terms = $this->config->get('affiliate_terms',0);
	if(!empty($affiliate_terms)){
?>
			<input class="hikashop_affiliate_checkbox" id="hikashop_affiliate_checkbox" type="checkbox" name="hikashop_affiliate_checkbox" value="1" <?php echo $this->affiliate_checked; ?> />
			<span class="hikashop_affiliate_terms_span_link" id="hikashop_affiliate_terms_span_link">
				<a class="hikashop_affiliate_terms_link" id="hikashop_affiliate_terms_link" target="_blank" href="<?php echo JRoute::_('index.php?option=com_content&view=article&id='.$affiliate_terms); ?>"><?php echo JText::_('BECOME_A_PARTNER'); ?></a>
			</span>
<?php
	} else {
?>			<label class="checkbox">
				<input class="hikashop_affiliate_checkbox" id="hikashop_affiliate_checkbox" type="checkbox" name="hikashop_affiliate_checkbox" value="1" <?php echo $this->affiliate_checked; ?> />
				<?php echo JText::_('BECOME_A_PARTNER');?>
			</label>
<?php
	}
?>
		</div>
	</div>
<?php }
	if($this->config->get('address_on_registration',1)){
?>

	<div class=""><legend><?php echo JText::_( 'ADDRESS_INFORMATION' ); ?></legend></div>
<?php
	$this->type = 'address';
	echo $this->loadTemplate();

	}
?>

	<div class="control-group hikashop_registration_required_info_line">
		<div class="controls"><?php echo JText::_( 'HIKA_REGISTER_REQUIRED' ); ?></div>
	</div>
	<input type="hidden" name="data[register][id]" value="<?php echo (int)$this->mainUser->get( 'id' );?>" />
	<input type="hidden" name="data[register][gid]" value="<?php echo (int)$this->mainUser->get( 'gid' );?>" />
<?php
	if(empty($this->form_name)){
		$this->form_name = 'hikashop_checkout_form';
	}
?>
	<div class="control-group">
		<div class="controls">
			<?php
				$registerButtonName=JText::_('HIKA_REGISTER');
				if($this->simplified_registration==2){
					$registerButtonName=JText::_('HIKA_NEXT');
				}
			 	echo $this->cartClass->displayButton($registerButtonName,'register',$this->params,'',' hikashopSubmitForm(\''.$this->form_name.'\'); return false;','id="hikashop_register_form_button"', 0, 1, 'btn btn-primary'); //hikashopSubmitForm(\''.$this->form_name.'\');
			 	$button = $this->config->get('button_style','normal');
			 	if ($button=='css')
					echo '<input type="submit" style="position: absolute; left: -9999px; width: 1px; height: 1px;"/></input>';
			 ?>
		</div>
	</div>
</fieldset>