diff --git a/htroot/ConfigSearchPage_p.html b/htroot/ConfigSearchPage_p.html
index e2d27267d..ebc51257b 100644
--- a/htroot/ConfigSearchPage_p.html
+++ b/htroot/ConfigSearchPage_p.html
@@ -121,12 +121,6 @@
                             </li>#(/search.navigation.location)#                                
                           </ul></td>
                       </tr>                          
-                      <tr>
-                        <td><input type="checkbox" name="search.navigation.filetype" value="true" #(search.navigation.filetype)#::checked="checked" #(/search.navigation.filetype)# /></td>
-                        <td><ul class="nav nav-sidebar menugroup" id="sidebarFiletypes" style="padding-left:15px; padding-right:10px;">
-                          <li><h3>Filetype</h3></li>
-                          </ul></td>
-                      </tr>
                       <tr>
                         <td><input type="checkbox" name="search.navigation.hosts" value="true" #(search.navigation.hosts)#::checked="checked" #(/search.navigation.hosts)# /></td>
                         <td><ul class="nav nav-sidebar menugroup" id="sidebarDomains" style="padding-left:15px; padding-right:10px;">
@@ -287,10 +281,9 @@ var solr= $.getJSON("solr/collection1/select?q=*:*&defType=edismax&start=0&rows=
         <fieldset><legend>Add Navigators</legend>
           <label for="search.navigation.navname">append</label>
           <select type="text" name="search.navigation.navname">
-            <option value="authors">Authors</option>
-            <option value="collections">Collection</option>
-            <option value="namespace">Wiki Name Space</option>
-            <option value="year">Year</option>
+            #{search.navigation.list}#
+            <option value="#[name]#">#[displayname]#</option>
+            #{/search.navigation.list}#
           </select>
           <button type="submit" name="add.nav" class="btn btn-xs btn-default" ><span class="glyphicon glyphicon-plus-sign" style="color: green"/></button><br>
           <label for="search.navigation.maxcount">max. items</label>
diff --git a/htroot/ConfigSearchPage_p.java b/htroot/ConfigSearchPage_p.java
index ff628a30b..c46ac9d93 100644
--- a/htroot/ConfigSearchPage_p.java
+++ b/htroot/ConfigSearchPage_p.java
@@ -32,6 +32,7 @@ import java.io.IOException;
 import java.sql.Date;
 import java.util.Map;
 import java.util.Properties;
+import java.util.TreeMap;
 import net.yacy.cora.date.GenericFormatter;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.cora.util.ConcurrentLog;
@@ -86,7 +87,7 @@ public class ConfigSearchPage_p {
                 // construct navigation String
                 String nav = "";
                 if (post.getBoolean("search.navigation.location")) nav += "location,";
-                if (post.getBoolean("search.navigation.filetype")) nav += "filetype,";
+                // if (post.getBoolean("search.navigation.filetype")) nav += "filetype,";
                 if (post.getBoolean("search.navigation.protocol")) nav += "protocol,";
                 if (post.getBoolean("search.navigation.hosts")) nav += "hosts,";
                 if (post.getBoolean("search.navigation.language")) nav += "language,";
@@ -112,7 +113,7 @@ public class ConfigSearchPage_p {
 
             if (post.containsKey("add.nav")) { // button: add navigator plugin to ative list
                 String navname = post.get("search.navigation.navname");
-                if (navname != null) {
+                if (navname != null && !navname.isEmpty()) {
                     String naviconf = sb.getConfig("search.navigation", "");
                     naviconf += "," + navname;
                     sb.setConfig("search.navigation", naviconf);
@@ -196,7 +197,7 @@ public class ConfigSearchPage_p {
         prop.put("search.result.show.snapshots", sb.getConfigBool("search.result.show.snapshots", false) ? 1 : 0);
 
         prop.put("search.navigation.location", sb.getConfig("search.navigation", "").indexOf("location",0) >= 0 ? 1 : 0);
-        prop.put("search.navigation.filetype", sb.getConfig("search.navigation", "").indexOf("filetype",0) >= 0 ? 1 : 0);
+        // prop.put("search.navigation.filetype", sb.getConfig("search.navigation", "").indexOf("filetype",0) >= 0 ? 1 : 0);
         prop.put("search.navigation.protocol", sb.getConfig("search.navigation", "").indexOf("protocol",0) >= 0 ? 1 : 0);
         prop.put("search.navigation.hosts", sb.getConfig("search.navigation", "").indexOf("hosts",0) >= 0 ? 1 : 0);
         prop.put("search.navigation.language", sb.getConfig("search.navigation", "").indexOf("language",0) >= 0 ? 1 : 0);
@@ -217,6 +218,23 @@ public class ConfigSearchPage_p {
         }
         prop.put("search.navigation.plugin", i);
 
+        // fill select field options (only navs not already active)
+        Map<String, String> defaultnavplugins = NavigatorPlugins.listAvailable();
+        i=0;
+        for (String navname : defaultnavplugins.keySet()) {
+            if (!navplugins.containsKey(navname)) {
+                prop.put("search.navigation.list_" + i + "_name", navname);
+                prop.put("search.navigation.list_" + i + "_displayname", defaultnavplugins.get(navname));
+                i++;
+            }
+        }
+        if (i == 0) { // on no new nav avail. put in dummy name to indicate empty list
+            prop.put("search.navigation.list_" + i + "_name", "");
+            prop.put("search.navigation.list_" + i + "_displayname", "---");
+            i = 1;
+        }
+        prop.put("search.navigation.list", i);
+
         prop.put("search.navigation.maxcount", sb.getConfigInt(SwitchboardConstants.SEARCH_NAVIGATION_MAXCOUNT, QueryParams.FACETS_STANDARD_MAXCOUNT));
 
         prop.put("about.headline", sb.getConfig("about.headline", "About"));
diff --git a/htroot/yacysearchtrailer.html b/htroot/yacysearchtrailer.html
index 01fb25499..0057f9b7d 100644
--- a/htroot/yacysearchtrailer.html
+++ b/htroot/yacysearchtrailer.html
@@ -165,15 +165,6 @@ function toggleVisibility(name, count) {
 <script>if (#[count]# <= 8) toggleVisibility('domains', #[count]#);</script>
 #(/nav-domains)#
 
-#(nav-filetypes)#::
-<ul class="nav nav-sidebar menugroup">
-<li style="cursor: pointer; cursor: hand;"><h3 onclick="toggleVisibility('filetypes', #[count]#);">Filetype [#[count]#] <span style="float:right" id="chevron-filetypes" class="glyphicon glyphicon-chevron-down" title="click to expand facet"></span></h3></li>
-#{element}#
-<li style="display:none" id="#[id]#"><a href="#[url]#" class="MenuItemLink"><input type="checkbox" onchange="window.location.href='#[url]#'"#(on)# checked="checked"::#(/on)#/> #[name]# (#[count]#)</a></li>
-#{/element}#</ul>
-<script>if (#[count]# <= 8) toggleVisibility('filetypes', #[count]#);</script>
-#(/nav-filetypes)#
-
 #(nav-languages)#::
 <ul class="nav nav-sidebar menugroup">
 <li style="cursor: pointer; cursor: hand;"><h3 onclick="toggleVisibility('languages', #[count]#);">Language [#[count]#] <span style="float:right" id="chevron-languages" class="glyphicon glyphicon-chevron-down" title="click to expand facet"></span></h3></li>
diff --git a/htroot/yacysearchtrailer.java b/htroot/yacysearchtrailer.java
index 853989157..beb7ce30c 100644
--- a/htroot/yacysearchtrailer.java
+++ b/htroot/yacysearchtrailer.java
@@ -338,46 +338,6 @@ public class yacysearchtrailer {
             if (pos == 1 && neg == 0) prop.put("nav-dates", 0); // this navigation is not useful
         }
 
-        // filetype navigators
-        if (theSearch.filetypeNavigator == null || theSearch.filetypeNavigator.isEmpty()) {
-            prop.put("nav-filetypes", 0);
-        } else {
-            prop.put("nav-filetypes", 1);
-            navigatorIterator = theSearch.filetypeNavigator.keys(false);
-            int i = 0, pos = 0, neg = 0;
-            String nav, rawNav;
-            while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) {
-                name = navigatorIterator.next().trim();
-                count = theSearch.filetypeNavigator.get(name);
-                if (count == 0) break;
-                nav = "filetype%3A" + name;
-                /* Avoid double percent encoding in QueryParams.navurl */
-                rawNav = "filetype:" + name;
-                if (theSearch.query.modifier.filetype == null || !theSearch.query.modifier.filetype.contains(name) ) {
-                    pos++;
-                    prop.put("nav-filetypes_element_" + i + "_on", 1);
-                    prop.put(fileType, "nav-filetypes_element_" + i + "_modifier", nav);
-                } else {
-                    neg++;                    
-                    prop.put("nav-filetypes_element_" + i + "_on", 0);                    
-                    prop.put(fileType, "nav-filetypes_element_" + i + "_modifier", "-" + nav);
-                    nav="";
-                    rawNav = "";
-                }
-                prop.put(fileType, "nav-filetypes_element_" + i + "_name", name);
-                prop.put(fileType, "nav-filetypes_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString());
-                prop.put(fileType, "nav-filetypes_element_" + i + "_id", "filetypes_" + i);
-                prop.put("nav-filetypes_element_" + i + "_count", count);
-                prop.put("nav-filetypes_element_" + i + "_nl", 1);
-                i++;
-            }
-            prop.put("nav-filetypes_element", i);
-            prop.put("nav-filetypes_count", i);
-            i--;
-            prop.put("nav-filetypes_element_" + i + "_nl", 0);
-            if (pos == 1 && neg == 0) prop.put("nav-filetypes", 0); // this navigation is not useful
-        }
-
         // vocabulary navigators
         final Map<String, ScoreMap<String>> vocabularyNavigators = theSearch.vocabularyNavigator;
         if (vocabularyNavigators != null && !vocabularyNavigators.isEmpty()) {
diff --git a/source/net/yacy/search/navigator/NavigatorPlugins.java b/source/net/yacy/search/navigator/NavigatorPlugins.java
index ad09a63ac..b7547bd48 100644
--- a/source/net/yacy/search/navigator/NavigatorPlugins.java
+++ b/source/net/yacy/search/navigator/NavigatorPlugins.java
@@ -24,6 +24,7 @@ package net.yacy.search.navigator;
 
 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.TreeMap;
 import net.yacy.crawler.CrawlSwitchboard;
 import static net.yacy.search.query.SearchEvent.log;
 import net.yacy.search.schema.CollectionSchema;
@@ -33,6 +34,23 @@ import net.yacy.search.schema.CollectionSchema;
  */
 public class NavigatorPlugins {
 
+    /**
+     * List of available navigators
+     * @return Map key=navigatorCfgname, value=std.DisplayName
+     */
+    static public Map<String, String> listAvailable() {
+        Map<String, String> defaultnavplugins = new TreeMap();
+        defaultnavplugins.put("filetype", "Filetype");
+        // defaultnavplugins.put("hosts", "Provider");
+        // defaultnavplugins.put("language", "Language");
+        defaultnavplugins.put("authors", "Authors");
+        defaultnavplugins.put("collections", "Collection");
+        defaultnavplugins.put("namespace", "Wiki Name Space");
+        defaultnavplugins.put("year", "Year");
+        // defaultnavplugins.put("year:dates_in_content_dts:Event","Event");
+        return defaultnavplugins;
+    }
+
     /**
      * Creates map of active search navigators from comma separated config string
      * @param navcfg comma separated string of navigator names
@@ -65,6 +83,18 @@ public class NavigatorPlugins {
                 navigatorPlugins.put("collections", tmpnav);
             }
 
+            if (navname.contains("filetype")) {
+                navigatorPlugins.put("filetype", new FileTypeNavigator("Filetype", CollectionSchema.url_file_ext_s));
+            }
+/*
+            if (navname.contains("hosts")) {
+                navigatorPlugins.put("hosts", new HostNavigator("Provider", CollectionSchema.host_s));
+            }
+
+            if (navname.contains("language")) {
+                navigatorPlugins.put("language", new LanguageNavigator("Language"));
+            }
+*/
             if (navname.contains("namespace")) {
                 navigatorPlugins.put("namespace", new NameSpaceNavigator("Wiki Name Space"));
             }
diff --git a/source/net/yacy/search/query/SearchEvent.java b/source/net/yacy/search/query/SearchEvent.java
index af63bd2e0..1008b26f1 100644
--- a/source/net/yacy/search/query/SearchEvent.java
+++ b/source/net/yacy/search/query/SearchEvent.java
@@ -73,7 +73,6 @@ import net.yacy.data.WorkTables;
 import net.yacy.document.LargeNumberCache;
 import net.yacy.document.LibraryProvider;
 import net.yacy.document.ProbabilisticClassifier;
-import net.yacy.document.TextParser;
 import net.yacy.document.Tokenizer;
 import net.yacy.kelondro.data.meta.URIMetadataNode;
 import net.yacy.kelondro.data.word.Word;
@@ -149,7 +148,6 @@ public final class SearchEvent {
     public final ScoreMap<String> locationNavigator; // a counter for the appearance of location coordinates
     public final ScoreMap<String> hostNavigator; // a counter for the appearance of host names
     public final ScoreMap<String> protocolNavigator; // a counter for protocol types
-    public final ScoreMap<String> filetypeNavigator; // a counter for file types
     public final ScoreMap<String> dateNavigator; // a counter for file types
     public final ScoreMap<String> languageNavigator; // a counter for appearance of languages
     public final Map<String, ScoreMap<String>> vocabularyNavigator; // counters for Vocabularies; key is metatag.getVocabularyName()
@@ -262,7 +260,6 @@ public final class SearchEvent {
         this.locationNavigator = navcfg.contains("location") ? new ConcurrentScoreMap<String>() : null;
         this.hostNavigator = navcfg.contains("hosts") ? new ConcurrentScoreMap<String>() : null;
         this.protocolNavigator = navcfg.contains("protocol") ? new ConcurrentScoreMap<String>() : null;
-        this.filetypeNavigator = navcfg.contains("filetype") ? new ConcurrentScoreMap<String>() : null;
         this.dateNavigator = navcfg.contains("date") ? new ClusteredScoreMap<String>(true) : null;
         this.topicNavigatorCount = navcfg.contains("topics") ? MAX_TOPWORDS : 0;
         this.languageNavigator = navcfg.contains("language") ? new ConcurrentScoreMap<String>() : null;
@@ -853,27 +850,6 @@ public final class SearchEvent {
             }
         }
 
-        if (this.filetypeNavigator != null) {
-            fcts = facets.get(CollectionSchema.url_file_ext_s.getSolrFieldName());
-            if (fcts != null) {
-                // remove all filetypes that we don't know
-                Iterator<String> i = fcts.iterator();
-                while (i.hasNext()) {
-                    String ext = i.next();
-                    if (this.query.contentdom == ContentDomain.TEXT) {
-                        if ((Classification.isImageExtension(ext) && this.excludeintext_image) ||
-                            (TextParser.supportsExtension(ext) != null && !Classification.isAnyKnownExtension(ext))) {
-                            //Log.logInfo("SearchEvent", "removed unknown extension " + ext + " from navigation.");
-                            i.remove();
-                        }
-                    } else { // for image and media search also limit to known extension
-                        if (!Classification.isAnyKnownExtension(ext)) i.remove();
-                    }
-                }
-                this.filetypeNavigator.inc(fcts);
-            }
-        }
-
         if (this.dateNavigator != null) {
             fcts = facets.get(CollectionSchema.dates_in_content_dts.getSolrFieldName());
             if (fcts != null) this.dateNavigator.inc(fcts);