Using staging environment variables

Signed-off-by: Edouard Poitras <edouard@eclipse.org>
diff --git a/content/en_index.php b/content/en_index.php
index 38937ae..ebb3512 100644
--- a/content/en_index.php
+++ b/content/en_index.php
@@ -12,9 +12,9 @@
  *******************************************************************************/
 
 $paypal_url = PAYPAL_URL;
-//$paypal_url = PAYPAL_SANDBOX_URL;
+$paypal_url = PAYPAL_SANDBOX_URL;
 $donation_email = PAYPAL_DONATION_EMAIL;
-//$donation_email = PAYPAL_SANDBOX_DONATION_EMAIL;
+$donation_email = PAYPAL_SANDBOX_DONATION_EMAIL;
 ?>
 <div id="content">
   <div class="row">
diff --git a/thankyou.php b/thankyou.php
index d6e5518..20e8da0 100644
--- a/thankyou.php
+++ b/thankyou.php
@@ -36,9 +36,9 @@
 
 // Set up Paypal
 $Paypal = new Paypal();
-//$Paypal->set_debug_mode(TRUE);
-//$Paypal->set_sandbox_mode(TRUE);
-//$Paypal->set_show_all(TRUE);
+$Paypal->set_debug_mode(TRUE);
+$Paypal->set_sandbox_mode(TRUE);
+$Paypal->set_show_all(TRUE);
 // Confirm Donation
 $success = $Paypal->confirm_donation();
 if ($success) {