#756600 by garethsprice - prevent submission for an authorization when validation

 of the webform fails.
#526658 by justin_vt - allow fieldsets up to three levels deep for the webform.

authorizenetwebform.module

@@ -237,8 +237,12 @@ function authorizenet_create_custom_field_spec($custom_fields) {
  */
 function authorizenetwebform_process($step, $node, $form, $form_state) {
   module_load_include('inc', 'authorizenetwebform', '/authorizenetwebform_fields');
-
   $form_values = $form_state['values'];
+
+  // DO NOT forward to Authorize.net if there are errors in the form validation
+  if (form_get_errors()) {
+    return $form_state;
+  }
   
   $wfkeys = array();
   $wfkeys[0] = "";
@@ -259,15 +263,40 @@ function authorizenetwebform_process($step, $node, $form, $form_state) {
     if (array_key_exists(strtolower($mkey), $form_values['submitted_tree'])) {
       $submission[$mkey] = $form_values['submitted_tree'][strtolower($mkey)];
     }
+    else {
+      foreach ($form_values['submitted_tree'] as $fkey => $fvalue) {
+        if (is_array($fvalue)) {
+          if (array_key_exists(strtolower($mkey), $fvalue)) {
+            $submission[$mkey] = $form_values['submitted_tree'][$fkey][strtolower($mkey)];
+          }
+          else {
+            foreach ($fvalue as $gkey => $gvalue) {
+              if (is_array($gvalue)) {
+                if (array_key_exists(strtolower($mkey), $gvalue)) {
+                  $submission[$mkey] = $form_values['submitted_tree'][$fkey][$gkey][strtolower($mkey)];
+                }
+                else {
+                 foreach ($gvalue as $hkey => $hvalue) {
+                   if (is_array($hvalue)) {
+                     if (array_key_exists(strtolower($mkey), $hvalue)) {
+                       $submission[$mkey] = $form_values['submitted_tree'][$fkey][$gkey][$hkey][strtolower($mkey)];
+                     }
+                   }
+                 }
+               }
+              }
+            }
+          }
+        }
+      }
+    }
   }
-  
   $post_vars = array();
   foreach ($submission as $key => $value) {
     if (strcmp(substr($key, 0, 2), "x_") == 0 && $value != "") {
       $post_vars[$key] = $value;
     }
   }
-
   // Authorize.Net required field information
   $posturl = variable_get('authorizenetwebform_url', NULL);
   $post_url = ($posturl == "main") ? "https://secure.authorize.net/gateway/transact.dll" : "https://test.authorize.net/gateway/transact.dll";
@@ -300,7 +329,6 @@ function authorizenetwebform_process($step, $node, $form, $form_state) {
     $post_string .= "$key=". urlencode( $value ) ."&"; 
   } 
   $post_string = rtrim( $post_string, "& " );
-
   $request = curl_init($post_url); // initiate curl object
     curl_setopt($request, CURLOPT_HEADER, 0); // set to 0 to eliminate header info from response
     curl_setopt($request, CURLOPT_RETURNTRANSFER, 1); // Returns response data instead of TRUE(1)