update Tranding Hashtags every 20 minutes

js/interface_home.js

@@ -70,10 +70,19 @@ var InterfaceFunctions = function()
                      setTimeout("getRandomFollowSuggestion(processSuggestion)", 1000);
                      setTimeout("getRandomFollowSuggestion(processSuggestion)", 1000);
                      
+                     updateTrendingHashtags();
+                     
+                     if( args.cbFunc )
+                        args.cbFunc(args.cbArg);
+                 }, {cbFunc:cbFunc, cbArg:cbArg});
+    }
+
+    function updateTrendingHashtags()
+    {
+        $(".toptrends-list").empty();
         twisterRpc("gettrendinghashtags", [10],
                 function(args, ret) {
                     for( var i = 0; i < ret.length; i++ ) {
-                                    
                         var $li = $("<li>");
                         var hashtagLinkTemplate = $("#hashtag-link-template").clone(true);
                         hashtagLinkTemplate.removeAttr("id");
@@ -86,10 +95,7 @@ var InterfaceFunctions = function()
                 function(args, ret) {
                     console.log("Error with gettrendinghashtags. Older twister daemon?");
                 }, {});
-                     
-                     if( args.cbFunc )
-                        args.cbFunc(args.cbArg);
-                 }, {cbFunc:cbFunc, cbArg:cbArg});
+        setTimeout(updateTrendingHashtags, 20*60*1000);
     }
 }