diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 35f199c..1494732 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,11 +2,8 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="e7c9c2bb-66f1-4e37-904c-d33d8c113bde" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/js/settings/SettingsCalSyncWidget.js" afterPath="$PROJECT_DIR$/js/settings/SettingsCalSyncWidget.js" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/js/settings/SettingsWidget.js" afterPath="$PROJECT_DIR$/js/settings/SettingsWidget.js" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/js/settings/dialogs/CalSyncEditContentPanel.js" afterPath="$PROJECT_DIR$/js/settings/dialogs/CalSyncEditContentPanel.js" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/js/settings/dialogs/CalSyncEditPanel.js" afterPath="$PROJECT_DIR$/js/settings/dialogs/CalSyncEditPanel.js" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/js/settings/ui/CalSyncGrid.js" afterPath="$PROJECT_DIR$/js/settings/ui/CalSyncGrid.js" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/backend/functions.php" afterPath="$PROJECT_DIR$/backend/functions.php" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/backend/sync.php" afterPath="$PROJECT_DIR$/backend/sync.php" />
     </list>
     <ignored path="calendarimporter.iws" />
     <ignored path=".idea/workspace.xml" />
@@ -27,7 +24,7 @@
   </component>
   <component name="FileEditorManager">
     <leaf>
-      <file leaf-file-name="CalSyncEditPanel.js" pinned="false" current-in-tab="true">
+      <file leaf-file-name="CalSyncEditPanel.js" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/js/settings/dialogs/CalSyncEditPanel.js">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="1480">
@@ -67,11 +64,43 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="sync.php" pinned="false" current-in-tab="false">
+      <file leaf-file-name="sync.php" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/backend/sync.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="510">
-              <caret line="131" column="50" selection-start-line="131" selection-start-column="30" selection-end-line="131" selection-end-column="50" />
+            <state relative-caret-position="360">
+              <caret line="24" column="47" selection-start-line="24" selection-start-column="47" selection-end-line="24" selection-end-column="47" />
+              <folding>
+                <element signature="e#21#926#0#PHP" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="functions.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/backend/functions.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="75">
+              <caret line="5" column="26" selection-start-line="5" selection-start-column="26" selection-end-line="5" selection-end-column="26" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="README.txt" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/backend/README.txt">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="config.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/backend/config.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -126,6 +155,8 @@
         <option value="$PROJECT_DIR$/js/settings/SettingsCalSyncWidget.js" />
         <option value="$PROJECT_DIR$/js/settings/ui/CalSyncGrid.js" />
         <option value="$PROJECT_DIR$/js/settings/dialogs/CalSyncEditPanel.js" />
+        <option value="$PROJECT_DIR$/backend/sync.php" />
+        <option value="$PROJECT_DIR$/backend/functions.php" />
       </list>
     </option>
   </component>
@@ -392,12 +423,12 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1477949602474</updated>
-      <workItem from="1477949603566" duration="7047000" />
+      <workItem from="1477949603566" duration="8451000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="7047000" />
+    <option name="totallyTimeSpent" value="8451000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="65" y="24" width="1792" height="999" extended-state="6" />
@@ -562,14 +593,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/backend/sync.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="510">
-          <caret line="131" column="50" selection-start-line="131" selection-start-column="30" selection-end-line="131" selection-end-column="50" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/js/plugin.calendarimporter.js">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="-51">
@@ -610,5 +633,39 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/backend/functions.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="75">
+          <caret line="5" column="26" selection-start-line="5" selection-start-column="26" selection-end-line="5" selection-end-column="26" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/backend/config.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/backend/README.txt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/backend/sync.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="360">
+          <caret line="24" column="47" selection-start-line="24" selection-start-column="47" selection-end-line="24" selection-end-column="47" />
+          <folding>
+            <element signature="e#21#926#0#PHP" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>
\ No newline at end of file
diff --git a/backend/functions.php b/backend/functions.php
index f6a9625..b4df684 100644
--- a/backend/functions.php
+++ b/backend/functions.php
@@ -3,7 +3,7 @@
  * functions.php, zarafa calender to ics im/exporter backend
  *
  * Author: Christoph Haas <christoph.h@sprinternet.at>
- * Copyright (C) 2012-2014 Christoph Haas
+ * Copyright (C) 2012-2016 Christoph Haas
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/backend/sync.php b/backend/sync.php
index 647429b..90e2322 100644
--- a/backend/sync.php
+++ b/backend/sync.php
@@ -4,7 +4,7 @@
  * sync.php, zarafa calender to ics im/exporter backend
  *
  * Author: Christoph Haas <christoph.h@sprinternet.at>
- * Copyright (C) 2012-2014 Christoph Haas
+ * Copyright (C) 2012-2016 Christoph Haas
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -129,7 +129,7 @@ foreach($userList as $userName => $userData) {
 				if($icsData != NULL) {
 					file_put_contents($tmpFilename, $icsData);
 					echo "Got valid data for " . $syncItem["icsurl"] . " stored in " . $tmpFilename . "\n";
-					$result = upload_ics_to_caldav($tmpFilename, $CALDAVURL, $userName, $syncItem["calendar"], $ADMINUSERNAME, $ADMINPASSWORD);
+					$result = upload_ics_to_caldav($tmpFilename, $CALDAVURL, $userName, $syncItem["calendarname"], $ADMINUSERNAME, $ADMINPASSWORD);
 					if(intval($result) == 200) {
 						echo "Import completed: $result\n";
 						$result = update_last_sync_date($userStore, $syncItemName);