diff --git a/htroot/env/templates/header.template b/htroot/env/templates/header.template
index 32e70cc59..639e7ec2a 100644
--- a/htroot/env/templates/header.template
+++ b/htroot/env/templates/header.template
@@ -20,6 +20,9 @@
         <input type="hidden" name="urlmaskfilter" value=".*" />
         <input type="hidden" name="prefermaskfilter" value="" />
         <input type="hidden" name="nav" value="all" />
+    	#(authorized)#::
+  		<input type="hidden" name="auth" id="auth" value=""/>
+  		#(/authorized)#
       </form>
     </div>
 	<script type="text/javascript">
diff --git a/htroot/index.html b/htroot/index.html
index ad1cf55f7..59ad2efab 100644
--- a/htroot/index.html
+++ b/htroot/index.html
@@ -61,6 +61,9 @@
             <button id="Enter" name="Enter" class="btn btn-primary" type="submit">Search</button>
           </div>
         </div>
+    	#(authorized)#::
+  		<input type="hidden" name="auth" id="auth" value=""/>
+  		#(/authorized)#
         <input type="hidden" name="verify" value="#[search.verify]#" />
         #(searchdomswitches)#::
         <div class="yacysearch">
diff --git a/htroot/yacysearch.html b/htroot/yacysearch.html
index 4c7b6417b..47b5c605c 100644
--- a/htroot/yacysearch.html
+++ b/htroot/yacysearch.html
@@ -109,6 +109,9 @@ Use the RSS search result format to add static searches to your RSS reader, if y
        #(/resortEnabled)#
     </div>
   </div>
+    #(authorized)#::
+  	<input type="hidden" name="auth" id="auth" value=""/>
+  	#(/authorized)#
     <input type="hidden" name="contentdom" id="contentdom" value="#[contentdom]#" />
     <input type="hidden" name="former" value="#[former]#" />
     <input type="hidden" name="maximumRecords" value="#[count]#" />
diff --git a/htroot/yacysearch.java b/htroot/yacysearch.java
index cac46a7b2..a67a5074c 100644
--- a/htroot/yacysearch.java
+++ b/htroot/yacysearch.java
@@ -106,7 +106,7 @@ public class yacysearch {
 
         boolean authenticated = sb.adminAuthenticated(header) >= 2;
         if ( !authenticated ) {
-            final UserDB.Entry user = sb.userDB.getUser(header);
+        	final UserDB.Entry user = sb.userDB != null ? sb.userDB.getUser(header) : null;
             authenticated = (user != null && user.hasRight(UserDB.AccessRight.EXTENDED_SEARCH_RIGHT));
         }
         final boolean localhostAccess = header.accessFromLocalhost();
@@ -198,6 +198,18 @@ public class yacysearch {
             return prop;
         }
 
+		if (post.containsKey("auth") && !authenticated) {
+			/*
+			 * Access to authentication protected features is explicitely requested here
+			 * but no authentication is provided : ask now for authentication.
+             * Wihout this, after timeout of HTTP Digest authentication nonce, browsers no more send authentication information 
+             * and as this page is not private, protected features would simply be hidden without asking browser again for authentication.
+             * (see mantis 766 : http://mantis.tokeek.de/view.php?id=766) *
+			 */
+			prop.authenticationRequired();
+			return prop;
+		}
+
         // check for JSONP
         if ( post.containsKey("callback") ) {
             final String jsonp = post.get("callback") + "([";
@@ -764,7 +776,7 @@ public class yacysearch {
                                     RequestHeader.FileType.HTML,
                                     0,
                                     theQuery,
-                                    suggestion, true).toString());
+                                    suggestion, true, authenticated).toString());
                             prop.put("didYouMean_suggestions_" + meanCount + "_sep", "|");
                             meanCount++;
                         } catch (final ConcurrentModificationException e) {
@@ -842,8 +854,9 @@ public class yacysearch {
 			 * eventually including fetched results with higher ranks from the Solr and RWI stacks */
 			prop.put("resortEnabled", !jsResort && global && !stealthmode && theSearch.resortCacheAllowed.availablePermits() > 0 ? 1 : 0);
 			prop.put("resortEnabled_url",
-					QueryParams.navurlBase(RequestHeader.FileType.HTML, theQuery, null, true).append("&startRecord=")
-							.append(startRecord).append("&resortCachedResults=true").toString());
+					QueryParams.navurlBase(RequestHeader.FileType.HTML, theQuery, null, true, authenticated)
+							.append("&startRecord=").append(startRecord).append("&resortCachedResults=true")
+							.toString());
 
             // generate the search result lines; the content will be produced by another servlet
             for ( int i = 0; i < theQuery.itemsPerPage(); i++ ) {
diff --git a/htroot/yacysearchitem.html b/htroot/yacysearchitem.html
index 668e23c18..f8d34311d 100644
--- a/htroot/yacysearchitem.html
+++ b/htroot/yacysearchitem.html
@@ -25,7 +25,7 @@
   </div>
   <p class="snippet"><span class="snippetLoaded" id="h#[urlhash]#">#[description]#</span></p>
   <p class="url"><a href="#[link]#" id="url#[urlhash]#" target="#[target]#" #(noreferrer)#::rel="noreferrer"#(/noreferrer)#>#[urlname]#</a></p>
-  #(showKeywords)#::<p class="tags">Tags: #{keywords}#<span class="tag label label-default">#[tagword]#</span> #{/keywords}#</p>#(/showKeywords)#
+  #(showKeywords)#::<p class="tags">Tags: #{keywords}#<span class="tag label label-default"><a href="#[tagurl]#" style="color: inherit; text-decoration: inherit;">#[tagword]#</a></span> #{/keywords}#</p>#(/showKeywords)#
   <p class="urlinfo">
   #(showDate)#::#[date]##(/showDate)#
   #(showEvent)#::on #[date]##(/showEvent)#
@@ -33,7 +33,7 @@
   #(showMetadata)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="solr/select?q=id:%22#[urlhash]#%22&defType=edismax&start=0&rows=1&core=collection1&wt=html" target="_blank">Metadata</a>#(/showMetadata)#
   #(showParser)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="ViewFile.html?urlHash=#[urlhash]#&amp;words=#[words]#" target="_blank">Parser</a>#(/showParser)#
   #(showCitation)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="api/citation.html?hash=#[urlhash]#&filter=true" target="_blank">Citations</a>#(/showCitation)#
-  #(showPictures)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="yacysearch.html?contentdom=image&url=#[link]#&query=#[former]#+inurl:#[link]#" target="_blank">Pictures</a>#(/showPictures)#
+  #(showPictures)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="yacysearch.html?contentdom=image#(authorized)#::&auth#(/authorized)#&url=#[link]#&query=#[former]#+inurl:#[link]#" target="_blank">Pictures</a>#(/showPictures)#
   #(showCache)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="CacheResource_p.html?url=#[link]#" target="_blank">Cache</a>#(/showCache)#
   #(showProxy)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="proxy.html?url=#[link]#" target="_blank">View via proxy</a>#(/showProxy)#
   #(showHostBrowser)#::<span role="separator" aria-orientation="vertical">&nbsp;|&nbsp;</span><a href="HostBrowser.html?path=#[link]#"><img src="env/grafics/minitree.png" width="15" height="8" title="Browse index" alt="Browse index"/></a>#(/showHostBrowser)#
diff --git a/htroot/yacysearchitem.java b/htroot/yacysearchitem.java
index bdbd9fc51..090be47c7 100644
--- a/htroot/yacysearchitem.java
+++ b/htroot/yacysearchitem.java
@@ -53,7 +53,9 @@ import net.yacy.crawler.data.Transactions;
 import net.yacy.crawler.data.Transactions.State;
 import net.yacy.crawler.retrieval.Response;
 import net.yacy.data.URLLicense;
+import net.yacy.data.UserDB;
 import net.yacy.document.parser.html.IconEntry;
+import net.yacy.http.servlets.TemplateMissingParameterException;
 import net.yacy.kelondro.data.meta.URIMetadataNode;
 import net.yacy.kelondro.util.Formatter;
 import net.yacy.peers.NewsPool;
@@ -62,6 +64,7 @@ import net.yacy.peers.graphics.ProfilingGraph;
 import net.yacy.search.EventTracker;
 import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
+import net.yacy.search.navigator.Navigator;
 import net.yacy.search.query.HeuristicResult;
 import net.yacy.search.query.QueryParams;
 import net.yacy.search.query.SearchEvent;
@@ -88,14 +91,35 @@ public class yacysearchitem {
     //private static boolean col = true;
 
     public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
+		if (post == null) {
+			throw new TemplateMissingParameterException("The eventID parameter is required");
+		}
+
         final Switchboard sb = (Switchboard) env;
         final serverObjects prop = new serverObjects();
 
         final String eventID = post.get("eventID", "");
-        final boolean authenticated = sb.verifyAuthentication(header);
+        final boolean adminAuthenticated = sb.verifyAuthentication(header);
+        
+		final UserDB.Entry user = sb.userDB != null ? sb.userDB.getUser(header) : null;
+		final boolean userAuthenticated = (user != null && user.hasRight(UserDB.AccessRight.EXTENDED_SEARCH_RIGHT));
+		final boolean authenticated = adminAuthenticated || userAuthenticated;
+        
         final int item = post.getInt("item", -1);
         final RequestHeader.FileType fileType = header.fileType();
 
+		if (post.containsKey("auth") && !authenticated) {
+			/*
+			 * Access to authentication protected features is explicitely requested here
+			 * but no authentication is provided : ask now for authentication.
+             * Wihout this, after timeout of HTTP Digest authentication nonce, browsers no more send authentication information 
+             * and as this page is not private, protected features would simply be hidden without asking browser again for authentication.
+             * (see mantis 766 : http://mantis.tokeek.de/view.php?id=766) *
+			 */
+			prop.authenticationRequired();
+			return prop;
+		}
+
         // default settings for blank item
         prop.put("content", "0");
         prop.put("rss", "0");
@@ -121,7 +145,9 @@ public class yacysearchitem {
         prop.put("statistics_localIndexCount", Formatter.number(theSearch.local_rwi_available.get() + theSearch.local_solr_stored.get() - theSearch.local_solr_evicted.get(), true));
         prop.put("statistics_remoteIndexCount", Formatter.number(theSearch.remote_rwi_available.get() + theSearch.remote_solr_available.get(), true));
         prop.put("statistics_remotePeerCount", Formatter.number(theSearch.remote_rwi_peerCount.get() + theSearch.remote_solr_peerCount.get(), true));
-        prop.put("statistics_navurlBase", QueryParams.navurlBase(RequestHeader.FileType.HTML, theSearch.query, null, false).toString());
+		prop.put("statistics_navurlBase",
+				QueryParams.navurlBase(RequestHeader.FileType.HTML, theSearch.query, null, false, authenticated)
+						.toString());
         prop.put("statistics_localQuery", theSearch.query.isLocal() ? "1" : "0");
         prop.put("statistics_feedRunning", Boolean.toString(!theSearch.isFeedingFinished()));
         final String target_special_pattern = sb.getConfig(SwitchboardConstants.SEARCH_TARGET_SPECIAL_PATTERN, "");
@@ -142,9 +168,9 @@ public class yacysearchitem {
             final String resource = theSearch.query.domType.toString();
             final String origQ = theSearch.query.getQueryGoal().getQueryString(true);
             prop.put("content", 1); // switch on specific content
-            prop.put("content_authorized", authenticated ? "1" : "0");
+            prop.put("content_authorized", adminAuthenticated ? "1" : "0");
             final String urlhash = ASCII.String(result.hash());
-            if (authenticated) { // only needed if authorized
+            if (adminAuthenticated) { // only needed if authorized
                 addAuthorizedActions(sb, prop, theSearch, resultUrlstring, resource, origQ, urlhash);
             }
             prop.putHTML("content_title", result.title());
@@ -242,10 +268,20 @@ public class yacysearchitem {
                 if (showEvent) prop.put("content_showEvent_date", GenericFormatter.RFC1123_SHORT_FORMATTER.format(events[0]));
                 if (showKeywords) { // tokenize keywords
                     StringTokenizer stoc = new StringTokenizer(result.dc_subject()," ");
+                    String rawNavQueryModifier;
+                    Navigator navi = theSearch.navigatorPlugins.get("keywords");
+                    boolean naviAvail = navi != null;
                     int i = 0;
                     while (stoc.hasMoreTokens()) {
                         String word = stoc.nextToken();
                         prop.putHTML("content_showKeywords_keywords_" + i + "_tagword", word);
+                        if (naviAvail) { // use query modifier if navigator available
+                            rawNavQueryModifier = navi.getQueryModifier(word);
+                        } else { // otherwise just use the keyword as additional query word
+                            rawNavQueryModifier = word;
+                        }
+						prop.put("content_showKeywords_keywords_" + i + "_tagurl", QueryParams.navurl(fileType, 0,
+								theSearch.query, rawNavQueryModifier, naviAvail, authenticated).toString());
                         i++;
                     }
                     prop.put("content_showKeywords_keywords", i);
@@ -461,10 +497,10 @@ public class yacysearchitem {
 		
 		/* Bookmark, delete and recommend action links share the same URL prefix */
 		StringBuilder linkBuilder = new StringBuilder();
-		String actionLinkPrefix = linkBuilder.append("yacysearch.html?query=").append(origQ.replace(' ', '+'))
+		final String actionLinkPrefix = linkBuilder.append("yacysearch.html?query=").append(origQ.replace(' ', '+'))
 				.append("&Enter=Search&count=").append(theSearch.query.itemsPerPage()).append("&offset=")
 				.append((theSearch.query.neededResults() - theSearch.query.itemsPerPage())).append("&resource=")
-				.append(resource).append("&time=3").toString();
+				.append(resource).append("&time=3").append("auth").toString();
 		linkBuilder.setLength(0);
 		
 		String encodedURLString;
@@ -474,7 +510,7 @@ public class yacysearchitem {
 			ConcurrentLog.warn("YACY_SEARCH_ITEM", "UTF-8 encoding is not supported!");
 			encodedURLString = crypt.simpleEncode(resultUrlstring);
 		}
-		String bookmarkLink = linkBuilder.append(actionLinkPrefix).append("&bookmarkref=").append(urlhash)
+		final String bookmarkLink = linkBuilder.append(actionLinkPrefix).append("&bookmarkref=").append(urlhash)
 				.append("&bookmarkurl=").append(encodedURLString).append("&urlmaskfilter=.*")
 				.toString();
 		linkBuilder.setLength(0);
diff --git a/htroot/yacysearchlatestinfo.java b/htroot/yacysearchlatestinfo.java
index 45588f49f..7f60a4a28 100644
--- a/htroot/yacysearchlatestinfo.java
+++ b/htroot/yacysearchlatestinfo.java
@@ -1,5 +1,8 @@
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.data.UserDB;
+import net.yacy.http.servlets.TemplateMissingParameterException;
 import net.yacy.kelondro.util.Formatter;
+import net.yacy.search.Switchboard;
 import net.yacy.search.query.QueryParams;
 import net.yacy.search.query.SearchEvent;
 import net.yacy.search.query.SearchEventCache;
@@ -10,8 +13,17 @@ import net.yacy.server.serverSwitch;
 public class yacysearchlatestinfo {
 
     public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
+		if (post == null) {
+			throw new TemplateMissingParameterException("The eventID parameter is required");
+		}
+		
         final serverObjects prop = new serverObjects();
-        //Switchboard sb = (Switchboard) env;
+        Switchboard sb = (Switchboard) env;
+        
+        final boolean adminAuthenticated = sb.verifyAuthentication(header);
+		final UserDB.Entry user = sb.userDB != null ? sb.userDB.getUser(header) : null;
+		final boolean userAuthenticated = (user != null && user.hasRight(UserDB.AccessRight.EXTENDED_SEARCH_RIGHT));
+		final boolean authenticated = adminAuthenticated || userAuthenticated;
 
         // find search event
         final String eventID = post.get("eventID", "");
@@ -44,7 +56,7 @@ public class yacysearchlatestinfo {
         prop.put("remoteResourceSize", Formatter.number(theSearch.remote_rwi_stored.get() + theSearch.remote_solr_stored.get(), true));
         prop.put("remoteIndexCount", Formatter.number(theSearch.remote_rwi_available.get() + theSearch.remote_solr_available.get(), true));
         prop.put("remotePeerCount", Formatter.number(theSearch.remote_rwi_peerCount.get() + theSearch.remote_solr_peerCount.get(), true));
-        prop.putJSON("navurlBase", QueryParams.navurlBase(RequestHeader.FileType.HTML, theSearch.query, null, false).toString());
+        prop.putJSON("navurlBase", QueryParams.navurlBase(RequestHeader.FileType.HTML, theSearch.query, null, false, authenticated).toString());
         prop.put("feedRunning", Boolean.toString(!theSearch.isFeedingFinished()));
 
         return prop;
diff --git a/htroot/yacysearchtrailer.java b/htroot/yacysearchtrailer.java
index b1f5091b0..c75eea88f 100644
--- a/htroot/yacysearchtrailer.java
+++ b/htroot/yacysearchtrailer.java
@@ -35,8 +35,10 @@ import net.yacy.cora.document.id.MultiProtocolURL;
 import net.yacy.cora.lod.vocabulary.Tagging;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.sorting.ScoreMap;
+import net.yacy.data.UserDB;
 import net.yacy.document.DateDetection;
 import net.yacy.document.LibraryProvider;
+import net.yacy.http.servlets.TemplateMissingParameterException;
 import net.yacy.kelondro.util.ISO639;
 import net.yacy.peers.graphics.ProfilingGraph;
 import net.yacy.search.EventTracker;
@@ -59,17 +61,38 @@ public class yacysearchtrailer {
 
     @SuppressWarnings({ })
     public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
+		if (post == null) {
+			throw new TemplateMissingParameterException("The eventID parameter is required");
+		}
+    	
         final serverObjects prop = new serverObjects();
         final Switchboard sb = (Switchboard) env;
         final String eventID = post.get("eventID", "");
-
-        final boolean authorized = sb.verifyAuthentication(header);
+        
+        final boolean adminAuthenticated = sb.verifyAuthentication(header);
+        
+        final UserDB.Entry user = sb.userDB != null ? sb.userDB.getUser(header) : null;
+		final boolean userAuthenticated = (user != null && user.hasRight(UserDB.AccessRight.EXTENDED_SEARCH_RIGHT));
+		final boolean authenticated = adminAuthenticated || userAuthenticated;
+        
+		if (post.containsKey("auth") && !authenticated) {
+			/*
+			 * Access to authentication protected features is explicitely requested here
+			 * but no authentication is provided : ask now for authentication.
+             * Wihout this, after timeout of HTTP Digest authentication nonce, browsers no more send authentication information 
+             * and as this page is not private, protected features would simply be hidden without asking browser again for authentication.
+             * (see mantis 766 : http://mantis.tokeek.de/view.php?id=766) *
+			 */
+			prop.authenticationRequired();
+			return prop;
+		}
+        
         final boolean clustersearch = sb.isRobinsonMode() && sb.getConfig(SwitchboardConstants.CLUSTER_MODE, "").equals(SwitchboardConstants.CLUSTER_MODE_PUBLIC_CLUSTER);
         final boolean indexReceiveGranted = sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW_SEARCH, true) || clustersearch;
         boolean p2pmode = sb.peers != null && sb.peers.sizeConnected() > 0 && indexReceiveGranted;
         boolean global = post == null || (!post.get("resource-switch", post.get("resource", "global")).equals("local") && p2pmode);
         boolean stealthmode = p2pmode && !global;
-        prop.put("resource-select", !authorized ? 0 : stealthmode ? 2 : global ? 1 : 0);
+        prop.put("resource-select", !adminAuthenticated ? 0 : stealthmode ? 2 : global ? 1 : 0);
         // find search event
         final SearchEvent theSearch = SearchEventCache.getEvent(eventID);
         if (theSearch == null) {
@@ -130,7 +153,8 @@ public class yacysearchtrailer {
                 }
                 String longname = ISO639.country(name);
                 prop.put(fileType, "nav-languages_element_" + i + "_name", longname == null ? name : longname);
-                prop.put(fileType, "nav-languages_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
+				prop.put(fileType, "nav-languages_element_" + i + "_url",
+						QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false, authenticated).toString());
                 prop.put(fileType, "nav-languages_element_" + i + "_id", "languages_" + i);
                 prop.put("nav-languages_element_" + i + "_count", count);
                 prop.put("nav-languages_element_" + i + "_nl", 1);
@@ -172,7 +196,8 @@ public class yacysearchtrailer {
                 count = entry.getValue();
                 prop.put(fileType, "nav-topics_element_" + i + "_modifier", name);
                 prop.put(fileType, "nav-topics_element_" + i + "_name", name);
-                prop.put(fileType, "nav-topics_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, name, false).toString());
+				prop.put(fileType, "nav-topics_element_" + i + "_url", QueryParams
+						.navurl(fileType, 0, theSearch.query, name, false, authenticated).toString());
                 prop.put("nav-topics_element_" + i + "_count", count);
                 int fontsize = TOPWORDS_MINSIZE + (TOPWORDS_MAXSIZE - TOPWORDS_MINSIZE) * (count - mincount) / (1 + maxcount - mincount);
                 fontsize = Math.max(TOPWORDS_MINSIZE, fontsize - (name.length() - 5));
@@ -223,7 +248,8 @@ public class yacysearchtrailer {
                     rawNav = "";
                 }
                 prop.put(fileType, "nav-protocols_element_" + i + "_name", name);
-                String url = QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString();
+				String url = QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false, authenticated)
+						.toString();
                 prop.put("nav-protocols_element_" + i + "_onclick_url", url);
                 prop.put(fileType, "nav-protocols_element_" + i + "_url", url);
                 prop.put("nav-protocols_element_" + i + "_count", count);
@@ -326,7 +352,8 @@ public class yacysearchtrailer {
                         rawNav = "";
                     }
                     prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_name", name);
-                    prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
+					prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_url", QueryParams
+							.navurl(fileType, 0, theSearch.query, rawNav, false, authenticated).toString());
                     prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_id", "vocabulary_" + navname + "_" + i);
                     prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_count", count);
                     prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_nl", 1);
@@ -385,7 +412,8 @@ public class yacysearchtrailer {
                     rawNav = "";
                 }
                 prop.put(fileType, "navs_" + ni + "_element_" + i + "_name", navi.getElementDisplayName(name));
-                prop.put(fileType, "navs_" + ni + "_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
+				prop.put(fileType, "navs_" + ni + "_element_" + i + "_url", QueryParams
+						.navurl(fileType, 0, theSearch.query, rawNav, false, authenticated).toString());
                 prop.put(fileType, "navs_" + ni + "_element_" + i + "_id", naviname + "_" + i);
                 prop.put("navs_" + ni + "_element_" + i + "_count", count);
                 prop.put("navs_" + ni + "_element_" + i + "_nl", 1);
diff --git a/locales/de.lng b/locales/de.lng
index b6c0bc8f2..d00a7f06b 100644
--- a/locales/de.lng
+++ b/locales/de.lng
@@ -840,15 +840,14 @@ Replace the word "MySearch" with your own message==Ersetzen Sie das Wort "Meine
 
 #File: ConfigSearchPage_p.html
 #---------------------------
+<html lang="en">==<html lang="de">
 Search Page<==Suchseite<
 >Search Result Page Layout Configuration<==>Konfiguration des Seitenlayouts der Seite für Suchergebnisse<
 Below is a generic template of the search result page. Mark the check boxes for features you would like to be displayed.==Im Folgenden wird ein generisches Template einer Suchergebnisseite. Markieren Sie die Checkboxen für alle Features die angezeigt werden sollen.
 To change colors and styles use the ==Um die Farben und Stile zu ändern, verwenden Sie das
 >Appearance<==>Erscheinungsbild<
  menu for different skins.== Menü für verschiedene Skins.
-Other portal settings can be adjusted in==Andere Einstellungen für das Portal können im
->Generic Search Portal<==>Generisches Suchportal<
-menu.==Menü geändert werden.
+Other portal settings can be adjusted in <a href="ConfigPortal_p.html">Generic Search Portal</a> menu.==Andere Einstellungen für das Portal können im <a href="ConfigPortal_p.html">Generisches Suchportal</a> Menü geändert werden.
 >Page Template<==>Seiten Template<
 #>Administration<==>Administration<
 >Web Search<==>Websuche<
diff --git a/locales/fr.lng b/locales/fr.lng
index f11da5774..f6c5b5b47 100644
--- a/locales/fr.lng
+++ b/locales/fr.lng
@@ -545,6 +545,60 @@ For explanation please look into defaults/yacy.init==Pour des explications, rega
 "Save"=="Sauvegarder"
 #-----------------------------
 
+#File: ConfigSearchPage_p.html
+#---------------------------
+<html lang="en">==<html lang="fr">
+Search Page<==Page de recherche<
+>Search Result Page Layout Configuration<==>Agencement de la page de résultats de recherche<
+Below is a generic template of the search result page. Mark the check boxes for features you would like to be displayed.==Ci-dessous se trouve un modèle générique de page de résultats de recherche. Cocher les cases des éléments que vous souhaitez voir s'afficher.
+To change colors and styles use the ==Pour modifier les couleurs et le style, utilisez le menu 
+>Appearance<==>Apparence graphique<
+ menu for different skins.== pour avoir accès à différentes présélections de styles.
+Other portal settings can be adjusted in <a href="ConfigPortal_p.html">Generic Search Portal</a> menu.==Les autres éléments de configuration du portail peuvent être définis dans le menu <a href="ConfigPortal_p.html">Generic Search Portal</a>.
+>Page Template<==>Modèle de page<
+>Text<==>Texte<
+>Video<==>Vidéo<
+>more options<==>plus d'options<
+>Topics<==>Sujets<
+>Cloud<==>Nuage<
+>Protocol<==>Protocole<
+>Filetype<==>Type de fichier<
+>Wiki Name Space<==>Espace de nommage Wiki<
+>Language<==>Langue<
+>Author<==>Auteur<
+>Vocabulary<==>Ontologie<
+>Provider<==>Hôte<
+>Title of Result<==>Titre du résultat<
+Description and text snippet of the search result==Description et extrait de texte du résultat de recherche
+"Date"=="Date"
+42 kbyte<==42 ko<
+"Size"=="Taille"
+>Metadata<==>Méta-données<
+>Parser<==>Analyseur d'URL<
+>Citation<==>Citations<
+>Pictures<==>Images<
+"Browse index"=="Parcourir l'index"
+For this option URL proxy must be enabled.==Pour cette option le proxy doit être activé.
+max. items==nb. max. d'éléments
+"Save Settings"=="Enregistrer"
+"Set Default Values"=="Valeurs par défaut"
+"Top navigation bar"=="Barre de navigation d'en-tête"
+>Location<==>Lieu<
+show search results on map==Montrer les résultats sur la carte
+Date Navigation==Statistiques par dates
+Maximum range (in days)==Période maximale (en jours)
+Maximum days number in the histogram. Beware that a large value may trigger high CPU loads both on the server and on the browser with large result sets.==Nombre maximum de jours de l'histogramme. Veuillez noter qu'une valeur élevée peut déclencher des charges CPU importantes tant sur le serveur que sur le navigateur lorsqu'il y a un grand nombre de résultats.
+keyword subject keyword2 keyword3==mot-clé sujet mot-clé2 mot-clé3
+View via Proxy==Ouvrir via le proxy
+>Snapshots<==>Captures<
+"Raw ranking score value"=="Score de classement brut"
+Ranking: 1.12195955E9==Score: 1.12195955E9
+"Delete navigator"=="Supprimer le groupe"
+Add Navigators==Ajout de groupes de navigation
+"Add navigator"=="Ajouter le groupe"
+>append==>Ajouter
+#-----------------------------
+
 #File: ConfigSkins_p.html
 #---------------------------
 Skin Selection==Choix de th&egrave;me
@@ -2637,8 +2691,9 @@ Parser Configuration==Configuration de l'analyseur syntaxique
 
 #File: env/templates/submenuDesign.template
 #-----------------------------
->Appearance==>Apparence
->Language==>Langue
+>Appearance<==>Apparence graphique<
+>Language<==>Langue<
+Search Page Layout==Agencement de la page de résultats
 #-----------------------------
 
 #File: env/templates/submenuIndexControl.template
diff --git a/locales/ja.lng b/locales/ja.lng
index c834e68a2..1e717f4a1 100644
--- a/locales/ja.lng
+++ b/locales/ja.lng
@@ -615,6 +615,7 @@ This would look like:==これは次の様に見えます:
 
 #File: ConfigSearchPage_p.html
 #---------------------------
+<html lang="en">==<html lang="ja">
 Search Page<==検索ページ<
 >Search Result Page Layout Configuration<==>検索結果のページのレイアウトの構成<
 >Appearance<==>外観<
diff --git a/locales/master.lng.xlf b/locales/master.lng.xlf
index 65e7adab7..d56331813 100644
--- a/locales/master.lng.xlf
+++ b/locales/master.lng.xlf
@@ -2043,10 +2043,7 @@
        <source> menu for different skins.</source>
     </trans-unit>
     <trans-unit id="40d7aca3" xml:space="preserve" approved="no" translate="yes">
-       <source>Other portal settings can be adjusted in</source>
-    </trans-unit>
-    <trans-unit id="89a2021f" xml:space="preserve" approved="no" translate="yes">
-       <source>&gt;Generic Search Portal&lt;</source>
+       <source>Other portal settings can be adjusted in &lt;a href="ConfigPortal_p.html"&gt;Generic Search Portal&lt;/a&gt; menu.</source>
     </trans-unit>
     <trans-unit id="58b4a6f" xml:space="preserve" approved="no" translate="yes">
        <source>&gt;Page Template&lt;</source>
@@ -2126,9 +2123,21 @@
     <trans-unit id="479c86d8" xml:space="preserve" approved="no" translate="yes">
        <source>&gt;Cache&lt;</source>
     </trans-unit>
+    <trans-unit id="b3979711" xml:space="preserve" approved="no" translate="yes">
+       <source>&lt;html lang="en"&gt;</source>
+    </trans-unit>
+    <trans-unit id="3df0db32" xml:space="preserve" approved="no" translate="yes">
+       <source>"Date"</source>
+    </trans-unit>
+    <trans-unit id="3ec7f53f" xml:space="preserve" approved="no" translate="yes">
+       <source>"Size"</source>
+    </trans-unit>
+    <trans-unit id="f46b1ae4" xml:space="preserve" approved="no" translate="yes">
+       <source>"Browse index"</source>
+    </trans-unit>
     <trans-unit id="37b12af6" xml:space="preserve" approved="no" translate="yes">
        <source>For this option URL proxy must be enabled.</source>
-    </trans-unit>    
+    </trans-unit>
     <trans-unit id="a0b7e36a" xml:space="preserve" approved="no"  translate="yes">
        <source>max. items</source>
     </trans-unit>    
@@ -2138,8 +2147,50 @@
     <trans-unit id="637bace1" xml:space="preserve" approved="no" translate="yes">
        <source>"Set Default Values"</source>
     </trans-unit>
-    <trans-unit id="62f96af" xml:space="preserve" approved="no" translate="yes">
-       <source>menu.</source>
+    <trans-unit id="30768cae" xml:space="preserve" approved="no" translate="yes">
+       <source>"Top navigation bar"</source>
+    </trans-unit>
+    <trans-unit id="59dfdc89" xml:space="preserve" approved="no" translate="yes">
+       <source>&gt;Location&lt;</source>
+    </trans-unit>
+    <trans-unit id="2565239a" xml:space="preserve" approved="no" translate="yes">
+       <source>show search results on map</source>
+    </trans-unit>
+    <trans-unit id="12350dc6" xml:space="preserve" approved="no" translate="yes">
+       <source>Date Navigation</source>
+    </trans-unit>
+    <trans-unit id="57a422dc" xml:space="preserve" approved="no" translate="yes">
+       <source>Maximum range (in days)</source>
+    </trans-unit>
+    <trans-unit id="36b6c646" xml:space="preserve" approved="no" translate="yes">
+       <source>Maximum days number in the histogram. Beware that a large value may trigger high CPU loads both on the server and on the browser with large result sets.</source>
+    </trans-unit>
+    <trans-unit id="cfe1ccd6" xml:space="preserve" approved="no" translate="yes">
+       <source>keyword subject keyword2 keyword3</source>
+    </trans-unit>
+    <trans-unit id="b62dd421" xml:space="preserve" approved="no" translate="yes">
+       <source>View via Proxy</source>
+    </trans-unit>
+    <trans-unit id="43d1a9cb" xml:space="preserve" approved="no" translate="yes">
+       <source>&gt;Snapshots&lt;</source>
+    </trans-unit>
+    <trans-unit id="f5192903" xml:space="preserve" approved="no" translate="yes">
+       <source>"Raw ranking score value"</source>
+    </trans-unit>
+    <trans-unit id="7450e2ba" xml:space="preserve" approved="no" translate="yes">
+       <source>Ranking: 1.12195955E9</source>
+    </trans-unit>
+    <trans-unit id="b42e923e" xml:space="preserve" approved="no" translate="yes">
+       <source>"Delete navigator"</source>
+    </trans-unit>
+    <trans-unit id="851aa1b" xml:space="preserve" approved="no" translate="yes">
+       <source>Add Navigators</source>
+    </trans-unit>
+    <trans-unit id="80a3ea4c" xml:space="preserve" approved="no" translate="yes">
+       <source>"Add navigator"</source>
+    </trans-unit>
+    <trans-unit id="7ba728d8" xml:space="preserve" approved="no" translate="yes">
+       <source>&gt;append</source>
     </trans-unit>
     <trans-unit id="5ebd116f" xml:space="preserve" approved="no" translate="yes">
        <source>http://url-of-the-search-result.net</source>
diff --git a/locales/ru.lng b/locales/ru.lng
index b3dc22a6c..014b9cbc1 100644
--- a/locales/ru.lng
+++ b/locales/ru.lng
@@ -938,14 +938,14 @@ Replace the word "MySearch" with your own message==Заменить слово "
 
 #File: ConfigSearchPage_p.html
 #---------------------------
+<html lang="en">==<html lang="ru">
 Search Page<==Страница поиска<
 >Search Result Page Layout Configuration<==>Конфигурация макета страницы результатов поиска<
 Below is a generic template of the search result page. Mark the check boxes for features you would like to be displayed.==Ниже приведён общий макет страницы результатов поиска. Отметьте компоненты, которые должны быть отображены.
 To change colors and styles use the ==Изменить цвета, стили и скины вы можете 
 >Appearance<==>здесь<
  menu for different skins.==.
-Other portal settings can be adjusted in==Другие настройки портала могут быть изменены на 
->Generic Search Portal<==>странице интеграции поиска<
+Other portal settings can be adjusted in <a href="ConfigPortal_p.html">Generic Search Portal</a> menu.==Другие настройки портала могут быть изменены на Меню <a href="ConfigPortal_p.html">странице интеграции поиска</a>.
 >Page Template<==>Макет страницы<
 >Administration<==>Администрирование<
 >Web Search<==>Вэб-поиск<
diff --git a/source/net/yacy/search/query/QueryModifier.java b/source/net/yacy/search/query/QueryModifier.java
index a4b75f34d..5fa2f9e18 100644
--- a/source/net/yacy/search/query/QueryModifier.java
+++ b/source/net/yacy/search/query/QueryModifier.java
@@ -221,6 +221,7 @@ public class QueryModifier {
 
     /**
      * Parse query string for filetype (file extension) parameter
+     * and adjust parameter to lowercase
      * @param querystring
      * @param filetypePrefix "filetype:"
      * @return querystring with filetype parameter removed
@@ -230,8 +231,9 @@ public class QueryModifier {
         if ( ftp >= 0 ) {
             int ftb = querystring.indexOf(' ', ftp);
             if ( ftb < 0 ) ftb = querystring.length();
-            filetype = querystring.substring(ftp + filetypePrefix.length(), ftb);
-            querystring = querystring.replace(filetypePrefix + filetype, "");
+            String tmpqueryparameter = querystring.substring(ftp + filetypePrefix.length(), ftb);
+            querystring = querystring.replace(filetypePrefix + tmpqueryparameter, ""); // replace prefix:Text  as found
+            filetype = tmpqueryparameter.toLowerCase(); // file extension are always compared lowercase, can be converted here for further processing
             while ( !filetype.isEmpty() && filetype.charAt(0) == '.' ) {
                 filetype = filetype.substring(1);
             }
diff --git a/source/net/yacy/search/query/QueryParams.java b/source/net/yacy/search/query/QueryParams.java
index 6ab48bb50..20f91a3f3 100644
--- a/source/net/yacy/search/query/QueryParams.java
+++ b/source/net/yacy/search/query/QueryParams.java
@@ -44,6 +44,13 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 
+import org.apache.lucene.util.automaton.Automata;
+import org.apache.lucene.util.automaton.Automaton;
+import org.apache.solr.client.solrj.SolrQuery;
+import org.apache.solr.client.solrj.SolrQuery.SortClause;
+import org.apache.solr.common.params.DisMaxParams;
+import org.apache.solr.common.params.FacetParams;
+
 import net.yacy.cora.document.analysis.Classification;
 import net.yacy.cora.document.analysis.Classification.ContentDomain;
 import net.yacy.cora.document.encoding.ASCII;
@@ -71,13 +78,6 @@ import net.yacy.search.ranking.RankingProfile;
 import net.yacy.search.schema.CollectionConfiguration;
 import net.yacy.search.schema.CollectionSchema;
 
-import org.apache.lucene.util.automaton.Automata;
-import org.apache.lucene.util.automaton.Automaton;
-import org.apache.solr.client.solrj.SolrQuery;
-import org.apache.solr.client.solrj.SolrQuery.SortClause;
-import org.apache.solr.common.params.DisMaxParams;
-import org.apache.solr.common.params.FacetParams;
-
 public final class QueryParams {
 
 	/** The default max count of item lines in navigator */
@@ -734,12 +734,18 @@ public final class QueryParams {
     }
 
     /**
-     * make a query anchor tag
-     * @return the anchor url builder
-     */
-    public static StringBuilder navurl(final RequestHeader.FileType ext, final int page, final QueryParams theQuery, final String newQueryString, boolean newModifierReplacesOld) {
-
-        final StringBuilder sb = navurlBase(ext, theQuery, newQueryString, newModifierReplacesOld);
+	 * make a query anchor tag
+	 * 
+	 * @param authenticatedFeatures
+	 *            when true, access to authentication protected search features is
+	 *            wanted
+	 * @return the anchor url builder
+	 */
+	public static StringBuilder navurl(final RequestHeader.FileType ext, final int page, final QueryParams theQuery,
+			final String newQueryString, boolean newModifierReplacesOld, final boolean authenticatedFeatures) {
+
+		final StringBuilder sb = navurlBase(ext, theQuery, newQueryString, newModifierReplacesOld,
+				authenticatedFeatures);
 
         sb.append("&startRecord=");
         sb.append(page * theQuery.itemsPerPage());
@@ -748,17 +754,24 @@ public final class QueryParams {
     }
 
      /**
-     * construct navigator url
-     *
-     * @param ext extension of servlet (e.g. html, rss)
-     * @param theQuery search query
-     * @param newModifier optional new modifier.
-     *      - if null existing modifier of theQuery is appended
-     *      - if not null this new modifier is appended in addition to existing modifier
-     *      - if isEmpty overwrites (clears) existing modifier
-     * @return url to new search result page
-     */
-    public static StringBuilder navurlBase(final RequestHeader.FileType ext, final QueryParams theQuery, final String newModifier, boolean newModifierReplacesOld) {
+	 * construct navigator url
+	 *
+	 * @param ext
+	 *            extension of servlet (e.g. html, rss)
+	 * @param theQuery
+	 *            search query
+	 * @param newModifier
+	 *            optional new modifier. - if null existing modifier of theQuery is
+	 *            appended - if not null this new modifier is appended in addition
+	 *            to existing modifier - if isEmpty overwrites (clears) existing
+	 *            modifier
+	 * @param authenticatedFeatures
+	 *            when true, access to authentication protected search features is
+	 *            wanted
+	 * @return url to new search result page
+	 */
+	public static StringBuilder navurlBase(final RequestHeader.FileType ext, final QueryParams theQuery,
+			final String newModifier, final boolean newModifierReplacesOld, final boolean authenticatedFeatures) {
 
         StringBuilder sb = new StringBuilder(120);
         sb.append("yacysearch.");
@@ -811,6 +824,10 @@ public final class QueryParams {
         sb.append("&former=");
         sb.append(theQuery.getQueryGoal().getQueryString(true));
 
+        if(authenticatedFeatures) {
+        	sb.append("&auth");
+        }
+
         return sb;
     }