diff --git a/update/plg_vmpayment_wirecardceecheckout_update.xml b/update/plg_vmpayment_wirecardceecheckout_update.xml
index 820994f..e8e9c78 100644
--- a/update/plg_vmpayment_wirecardceecheckout_update.xml
+++ b/update/plg_vmpayment_wirecardceecheckout_update.xml
@@ -75,4 +75,19 @@
         <maintainerurl>https://www.wirecard.at/</maintainerurl>
         <targetplatform name="joomla" version="3.6"/>
     </update>
+    <update>
+        <name>Wirecard Checkout Page</name>
+        <description>Wirecard - Your Full Service Payment Provider</description>
+        <type>plugin</type>
+        <folder>vmpayment</folder>
+        <element>wirecardceecheckout</element>
+        <version>1.7.4</version>
+        <client>site</client>
+        <downloads>
+            <downloadurl type="full" format="zip">https://github.com/wirecard/virtuemart3-wcp/archive/1.7.4.zip</downloadurl>
+        </downloads>
+        <maintainer>Wirecard</maintainer>
+        <maintainerurl>https://www.wirecard.at/</maintainerurl>
+        <targetplatform name="joomla" version="3.6"/>
+    </update>
 </updates>
\ No newline at end of file
diff --git a/wirecardceecheckout.php b/wirecardceecheckout.php
index 752e80d..f5e5742 100644
--- a/wirecardceecheckout.php
+++ b/wirecardceecheckout.php
@@ -54,7 +54,7 @@ class plgVmPaymentwirecardceecheckout extends vmPSPlugin
 
 	protected static $WINDOW_NAME = 'WirecardCEECheckoutFrame';
 	protected static $PLUGIN_NAME = 'VirtueMart2_CheckoutPage';
-	protected static $PLUGIN_VERSION = '1.7.3';
+	protected static $PLUGIN_VERSION = '1.7.4';
 
 	protected $_method;
 	protected $_order;
@@ -961,7 +961,11 @@ protected function _initiatePayment($cart)
 			}
 
 			if ( in_array($paymentType, array(WirecardCEE_QPay_PaymentType::IDL, WirecardCEE_QPay_PaymentType::EPS ) ) ) {
-				$client->setFinancialInstitution($_POST['financialInstitution']);
+                if (isset($_POST['financialInstitution'])) {
+                    $client->setFinancialInstitution($_POST['financialInstitution']);
+                } else {
+                    $client->setFinancialInstitution($sessionWirecard->additional["financialInstitution"]);
+                }
 			}
 			if (array_key_exists('ST', $order['details'])) {
 				$client->createConsumerMerchantCrmId($order['details']['ST']->email);
@@ -1040,7 +1044,7 @@ protected function _getEnabledPaymentTypes()
 			$paymentTypes[7]['image'] = strtolower(WirecardCEE_QPay_PaymentType::EPS);
 			$paymentTypes[7]['title'] = $this->_getPaymentTypeName(WirecardCEE_QPay_PaymentType::EPS);
 			$paymentTypes[7]['value'] = WirecardCEE_QPay_PaymentType::EPS;
-			$paymentTypes[9]['financial_inst'] = WirecardCEE_QPay_PaymentType::getFinancialInstitutions('EPS');
+			$paymentTypes[7]['financial_inst'] = WirecardCEE_QPay_PaymentType::getFinancialInstitutions('EPS');
 		}
 		if ((int)$this->_getMethod()->paymenttype_giropay == 1) {
 			$paymentTypes[8]['image'] = strtolower(WirecardCEE_QPay_PaymentType::GIROPAY);
@@ -1929,4 +1933,26 @@ function plgVmOnCheckAutomaticSelectedPayment(VirtueMartCart $cart, array $cart_
 		return $this->onCheckAutomaticSelected($cart, $cart_prices, $paymentCounter);
 	}
 
-}
\ No newline at end of file
+    public function changePaymentTypeAjax($data)
+    {
+        $session = JFactory::getSession();
+        $sessionData = $session->get('WIRECARDCEECHECKOUT', 0, 'vm');
+        if (!empty($sessionData)) {
+            $sessionWirecard = unserialize($sessionData);
+            $sessionWirecard->paymenttype = $data["wirecard_paymenttype"];
+            $sessionWirecard->additional = $data["wcp_additional"];
+        }
+        $session->set('WIRECARDCEECHECKOUT', serialize($sessionWirecard), 'vm');
+    }
+
+    public function plgVmOnSelfCallFE()
+    {
+        $action = vRequest::getCmd('action');
+        $data = vRequest::getPost();
+        switch ($action) {
+            case "changePaymentTypeAjax":
+                $this->changePaymentTypeAjax($data);
+                break;
+        }
+    }
+}
diff --git a/wirecardceecheckout.xml b/wirecardceecheckout.xml
index 328b87f..54a9671 100644
--- a/wirecardceecheckout.xml
+++ b/wirecardceecheckout.xml
@@ -36,7 +36,7 @@
     <authorUrl>http://www.wirecard.at/</authorUrl>
     <copyright>Copyright (C) 2013 Wirecard. All rights reserved.</copyright>
     <license>http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL</license>
-    <version>1.7.3</version>
+    <version>1.7.4</version>
     <description>VMPAYMENT_WIRECARDCEECHECKOUT_PAYMENT_DESCRIPTION</description>
 
     <files>
diff --git a/wirecardceecheckout/tmpl/displaypayment.php b/wirecardceecheckout/tmpl/displaypayment.php
index 1621e64..09dcd75 100644
--- a/wirecardceecheckout/tmpl/displaypayment.php
+++ b/wirecardceecheckout/tmpl/displaypayment.php
@@ -40,12 +40,12 @@
 $url = JURI::root() . 'images/stories/virtuemart/' . $this->_psType . '/';
 
 foreach ( $viewData['paymenttypes'] as $pt ) {
-	?>
+    ?>
     <div class="vm-payment-plugin-single">
         <input class="wirecard_paymenttype" id="wirecard_<?php echo strtolower( $pt['value'] ) ?>" type="radio"
                name="wirecard_paymenttype"
                value="<?php echo strtolower( $pt['value'] ) ?>" <?php if ( $viewData['paymenttype_selected'] == strtolower( $pt['value'] ) )
-			echo ' checked="checked"' ?> />
+            echo ' checked="checked"' ?> />
 
         <label for="wirecard_<?php echo strtolower( $pt['value'] ) ?>">
                 <span class="vmpayment">
@@ -60,106 +60,122 @@
                 </span>
         </label>
     </div>
-	<?php if ( isset( $pt['birthday_header'] ) && $viewData['paymenttype_selected'] == strtolower( $pt['value'] ) ) { ?>
-        <div style="margin-left:23px;" class="additional-information">
+    <?php if ( isset( $pt['birthday_header'] ) ) { ?>
+        <div style="margin-left:23px; display: <?= ($viewData['paymenttype_selected'] !== strtolower( $pt['value'] )) ? 'none' : 'block';?>;" class="additional-information">
             <b><?php echo $pt['birthday_header']; ?></b><br/>
-			<?php
-			$birthday = '<select name="wcp_day" id="wcp_day_'.strtolower($pt['value']).'" style="width:auto;">';
-			for ( $day = 31; $day > 0; $day -- ) {
-				$selected = '';
-				if ($viewData['birth_day'] == $day){
-					$selected = 'selected';
-				}
-				$birthday .= '<option value="'.$day.'" '.$selected.'> '.$day.' </option>';
-			}
+            <?php
+            $birthday = '<select name="wcp_day" id="wcp_day_'.strtolower($pt['value']).'" style="width:auto;">';
+            for ( $day = 31; $day > 0; $day -- ) {
+                $selected = '';
+                if ($viewData['birth_day'] == $day){
+                    $selected = 'selected';
+                }
+                $birthday .= '<option value="'.$day.'" '.$selected.'> '.$day.' </option>';
+            }
 
-			$birthday .= '</select>';
+            $birthday .= '</select>';
 
-			$birthday .= '<select name="wcp_month" id="wcp_month_'.strtolower($pt['value']).'" style="width:auto;">';
-			for ( $month = 12; $month > 0; $month -- ) {
-				$selected = '';
-				if ($viewData['birth_month'] == $month){
-					$selected = 'selected';
-				}
-				$birthday .= '<option value="'.$month.'" '.$selected.'> '.$month.' </option>';
-			}
-			$birthday .= '</select>';
+            $birthday .= '<select name="wcp_month" id="wcp_month_'.strtolower($pt['value']).'" style="width:auto;">';
+            for ( $month = 12; $month > 0; $month -- ) {
+                $selected = '';
+                if ($viewData['birth_month'] == $month){
+                    $selected = 'selected';
+                }
+                $birthday .= '<option value="'.$month.'" '.$selected.'> '.$month.' </option>';
+            }
+            $birthday .= '</select>';
 
-			$birthday .= '<select name="wcp_year" id="wcp_year_'.strtolower($pt['value']).'" style="width:auto;">';
-			for ( $year = date( "Y" ); $year > 1900; $year -- ) {
-				$selected = '';
-				if ($viewData['birth_year'] == $year){
-					$selected = 'selected';
-				}
-				$birthday .= '<option value="'.$year.'" '.$selected.'> '.$year.' </option>';
-			}
-			$birthday .= '</select>';
-			echo $birthday;
-			?>
+            $birthday .= '<select name="wcp_year" id="wcp_year_'.strtolower($pt['value']).'" style="width:auto;">';
+            for ( $year = date( "Y" ); $year > 1900; $year -- ) {
+                $selected = '';
+                if ($viewData['birth_year'] == $year){
+                    $selected = 'selected';
+                }
+                $birthday .= '<option value="'.$year.'" '.$selected.'> '.$year.' </option>';
+            }
+            $birthday .= '</select>';
+            echo $birthday;
+            ?>
         </div>
-	<?php } ?>
+    <?php } ?>
 
-	<?php if ( isset( $pt['additional_header'] ) && $viewData['paymenttype_selected'] == strtolower( $pt['value'] ) ) { ?>
-        <div style="margin-left:23px;" class="additional-information">
+    <?php if ( isset( $pt['additional_header'] ) ) { ?>
+        <div style="margin-left:23px; display: <?= ($viewData['paymenttype_selected'] !== strtolower( $pt['value'] )) ? 'none' : 'block';?>;" class="additional-information">
             <b><?php echo $pt['additional_header']; ?></b><br/>
             <label>
                 <input type="checkbox" id="consent_<?php echo strtolower( $pt['value'] ); ?>" class="required"
                        name="consent_<?php echo strtolower( $pt['value'] ); ?>"<?php echo $pt['consent_checked']; ?>>
-				<?php echo $pt['consent_text']; ?>
+                <?php echo $pt['consent_text']; ?>
             </label>
         </div>
-	<?php } ?>
-	<?php if ( isset( $pt['financial_inst'] ) && $viewData['paymenttype_selected'] == strtolower( $pt['value'] ) ) { ?>
-        <div style="margin-left:23px;" class="additional-information">
+    <?php } ?>
+    <?php if ( isset( $pt['financial_inst'] ) ) { ?>
+        <div style="margin-left:23px; display: <?= ($viewData['paymenttype_selected'] !== strtolower( $pt['value'] )) ? 'none' : 'block';?>;" class="additional-information">
             <b><?php echo JText::_('VMPAYMENT_WIRECARDCEECHECKOUT_FINANCIAL_INST_HEADER'); ?></b><br/>
             <select name="financialInstitution" id="financialInstitutions">
-				<?php foreach($pt['financial_inst'] as $key => $value) { ?>
+                <?php foreach($pt['financial_inst'] as $key => $value) { ?>
                     <option value="<?php echo $key; ?>"><?php echo $value; ?></option>
-				<?php } ?>
+                <?php } ?>
             </select>
         </div>
-	<?php } ?>
+    <?php } ?>
 <?php } ?>
 <div>
     <script type="text/javascript">
-        jQuery('#checkoutForm').submit(function (event) {
-            jQuery('.wirecard_paymenttype').each(function () {
-                if (jQuery(this).prop('checked')) {
-                    if (jQuery('#wcp_day_' + this.value).val()) {
-                        var day = jQuery('#wcp_day_' + this.value).val();
-                        var month = jQuery('#wcp_month_' + this.value).val();
-                        var year = jQuery('#wcp_year_' + this.value).val();
-                        var dateStr = year + '-' + month + '-' + day;
-                        var minAge = 18;
+        function getData(selector) {
+            var data = {};
+            jQuery('input, select', selector).each(function(){
+                var input = jQuery(this);
+                data[input.attr('name')] = input.val()
+            });
+            return data;
+        }
+        function checkBirthday(selector, event) {
+            if (jQuery('#wcp_day_' + selector).val()) {
+                var day = jQuery('#wcp_day_' + selector).val();
+                var month = jQuery('#wcp_month_' + selector).val();
+                var year = jQuery('#wcp_year_' + selector).val();
+                var dateStr = year + '-' + month + '-' + day;
+                var minAge = 18;
 
-                        var birthdate = new Date(dateStr);
-                        var year = birthdate.getFullYear();
-                        var today = new Date();
-                        var limit = new Date((today.getFullYear() - minAge), today.getMonth(), today.getDate());
+                var birthdate = new Date(dateStr);
+                var year = birthdate.getFullYear();
+                var today = new Date();
+                var limit = new Date((today.getFullYear() - minAge), today.getMonth(), today.getDate());
 
-                        if (birthdate > limit) {
-                            jQuery('.vmLoadingDiv').remove();
-                            jQuery('#checkoutFormSubmit').prop("disabled", false);
-                            jQuery('#checkoutFormSubmit').addClass("vm-button-correct");
-                            event.preventDefault();
-                            alert("<?php echo JText::_( 'VMPAYMENT_WIRECARDCEECHECKOUT_BIRTHDAY_ERROR' ); ?>");
-                            return;
-                        }
-                    }
-                    var checkbox = null;
-                    if (jQuery('#consent_' + this.value).length) {
-                        checkbox = jQuery('#consent_' + this.value);
-                    }
+                if (birthdate > limit) {
+                    jQuery('.vmLoadingDiv').remove();
+                    jQuery('#checkoutFormSubmit').prop("disabled", false);
+                    jQuery('#checkoutFormSubmit').addClass("vm-button-correct");
+                    alert("<?php echo JText::_( 'VMPAYMENT_WIRECARDCEECHECKOUT_BIRTHDAY_ERROR' ); ?>");
+                    return false;
+                }
+            }
+            return true;
+        }
+        function checkPayolutionConsent(selector, event) {
+            var checkbox = null;
+            if (jQuery('#consent_' + selector).length) {
+                checkbox = jQuery('#consent_' + selector);
+            }
 
-                    if (checkbox != null) {
-                        if (!checkbox.prop('checked') ) {
-                            jQuery('.vmLoadingDiv').remove();
-                            jQuery('#checkoutFormSubmit').prop("disabled", false);
-                            jQuery('#checkoutFormSubmit').addClass("vm-button-correct");
-                            event.preventDefault();
-                            alert("<?php echo JText::_( 'VMPAYMENT_WIRECARDCEECHECKOUT_PAYOLUTION_CONSENT_ACCEPT' ); ?>");
-                            return;
-                        }
+            if (checkbox != null) {
+                if (!checkbox.prop('checked') ) {
+                    jQuery('.vmLoadingDiv').remove();
+                    jQuery('#checkoutFormSubmit').prop("disabled", false);
+                    jQuery('#checkoutFormSubmit').addClass("vm-button-correct");
+                    event.preventDefault();
+                    alert("<?php echo JText::_( 'VMPAYMENT_WIRECARDCEECHECKOUT_PAYOLUTION_CONSENT_ACCEPT' ); ?>");
+                    return false;
+                }
+            }
+            return true;
+        }
+        jQuery("#checkoutForm").submit(function (event) {
+            jQuery('.wirecard_paymenttype').each(function () {
+                if (jQuery(this).prop('checked')) {
+                    if (!checkBirthday(this.value, event) || !checkPayolutionConsent(this.value, event)) {
+                        event.preventDefault();
                     }
                 }
             });
@@ -168,11 +184,31 @@
         jQuery('.wirecard_paymenttype').each(function () {
             jQuery(this).change(function (evt) {
                 jQuery('#payment_id_<?php echo $viewData['paymentmethod_id'] ?>').prop('checked', true);
+                jQuery('.additional-information').hide();
+                jQuery(this).closest(".vm-payment-plugin-single").next(".additional-information").show();
             });
         });
         jQuery('input[name=virtuemart_paymentmethod_id]').change(function (evt) {
             jQuery('.additional-information').remove();
         });
+        jQuery("button[name='updatecart']").click(function (event) {
+            event.preventDefault();
+            var val = jQuery('.wirecard_paymenttype:checked').val(),
+                data = getData(jQuery('.additional-information:visible'));
+            if (!checkBirthday(val, event) || !checkPayolutionConsent(this.value, event)) {
+                event.preventDefault();
+            } else {
+                jQuery.ajax({
+                    type: "POST",
+                    dataType: "json",
+                    data: {"wcp_additional" : data, "wirecard_paymenttype": val},
+                    url: "<?php echo JURI::root() ?>index.php?option=com_virtuemart&view=plugin&type=vmpayment&nosef=1&name=wirecardceecheckout&loadJS=1&action=changePaymentTypeAjax",
+                    complete : function () {
+                        jQuery('#paymentForm').submit();
+                    }
+                });
+            }
+        });
     </script>
 </div>