Restrict JS results resorting to authenticated users.

Until a more efficient DOM refresh model needing less XHR requests per
search is implemented.

htroot/ConfigPortal_p.html

@@ -58,7 +58,7 @@
           		<input type="radio" name="search.jsresort" value="false" #(search.jsresort)#checked="checked"::#(/search.jsresort)# />On demand, server-side
           	</label>
           	<label title="This usually improves ranking accuracy, but doesn't work well for users who have Javascript disabled, are using screen readers, or are on slow computers.">
-          		<input type="radio" name="search.jsresort" value="true" #(search.jsresort)#::checked="checked"#(/search.jsresort)# />Automated, with JavaScript in the browser.
+          		<input type="radio" name="search.jsresort" value="true" #(search.jsresort)#::checked="checked"#(/search.jsresort)# />Automated, with JavaScript in the browser <strong>for authenticated users only</strong>.
           	</label>
           </dd>
           

htroot/yacysearch.java

@@ -828,7 +828,7 @@ public class yacysearch {
             prop.put("num-results_globalresults_remoteIndexCount", Formatter.number(theSearch.remote_rwi_available.get() + theSearch.remote_solr_available.get(), true));
             prop.put("num-results_globalresults_remotePeerCount", Formatter.number(theSearch.remote_rwi_peerCount.get() + theSearch.remote_solr_peerCount.get(), true));
             
-			final boolean jsResort = global 
+			final boolean jsResort = global && authenticated // for now enable JavaScript resorting only for authenticated users as it requires too much resources per search request  
 					&& (contentdom == ContentDomain.ALL || contentdom == ContentDomain.TEXT) // For now JavaScript resorting can only be applied for text search 
 					&& sb.getConfigBool(SwitchboardConstants.SEARCH_JS_RESORT, SwitchboardConstants.SEARCH_JS_RESORT_DEFAULT);
 			prop.put("jsResort", jsResort);