diff --git a/var/www/Flasks/Flask_search.py b/var/www/Flasks/Flask_search.py
index b5c60898..3d28b4cc 100644
--- a/var/www/Flasks/Flask_search.py
+++ b/var/www/Flasks/Flask_search.py
@@ -20,7 +20,34 @@ cfg = Flask_config.cfg
 r_serv_pasteName = Flask_config.r_serv_pasteName
 max_preview_char = Flask_config.max_preview_char
 max_preview_modal = Flask_config.max_preview_modal
+
+
+baseindexpath = os.path.join(os.environ['AIL_HOME'], cfg.get("Indexer", "path"))
+indexRegister_path = os.path.join(os.environ['AIL_HOME'], 
+                         cfg.get("Indexer", "register"))
+
 # ============ FUNCTIONS ============
+def get_current_index():
+    with open(indexRegister_path, "r") as f:
+        allIndex = f.read()
+        allIndex = allIndex.split(',')
+        allIndex.sort()
+        indexnum = int(allIndex[-1])
+        indexpath = os.path.join(baseindexpath, "index_"+str(indexnum))
+    return indexpath
+
+def get_index_list(selected_index=""):
+    index_list = []
+    for dirs in os.listdir(baseindexpath):
+        if os.path.isdir(os.path.join(baseindexpath, dirs)):
+            index_list.append([ dirs, dirs + " - " + str(get_dir_size(dirs) / (1000*1000)) + " Mb", dirs==selected_index.split('/')[-1]])
+    return index_list
+
+def get_dir_size(directory):
+    cur_sum = 0
+    for directory, subdirs, files in os.walk(os.path.join(baseindexpath,directory)):
+        cur_sum += sum(os.path.getsize(os.path.join(directory, name)) for name in files)
+    return cur_sum
 
 
 # ============ ROUTES ============
@@ -34,8 +61,15 @@ def search():
     c = [] #preview of the paste content
     paste_date = []
     paste_size = []
+    index_num = request.form['index_num']
     num_elem_to_get = 50
 
+    # select correct index
+    if index_num is None or index_num == "0":
+        selected_index = get_current_index()
+    else:
+        selected_index = os.path.join(baseindexpath, index_num)
+
     # Search filename
     for path in r_serv_pasteName.smembers(q[0]):
         r.append(path)
@@ -53,8 +87,7 @@ def search():
     from whoosh.fields import Schema, TEXT, ID
     schema = Schema(title=TEXT(stored=True), path=ID(stored=True), content=TEXT)
 
-    indexpath = os.path.join(os.environ['AIL_HOME'], cfg.get("Indexer", "path"))
-    ix = index.open_dir(indexpath)
+    ix = index.open_dir(selected_index)
     from whoosh.qparser import QueryParser
     with ix.searcher() as searcher:
         query = QueryParser("content", ix.schema).parse(" ".join(q))
@@ -72,7 +105,14 @@ def search():
         results = searcher.search(query)
         num_res = len(results)
 
-    return render_template("search.html", r=r, c=c, query=request.form['query'], paste_date=paste_date, paste_size=paste_size, char_to_display=max_preview_modal, num_res=num_res)
+    index_min = 1
+    index_max = len(get_index_list())
+    return render_template("search.html", r=r, c=c, 
+            query=request.form['query'], paste_date=paste_date, 
+            paste_size=paste_size, char_to_display=max_preview_modal, 
+            num_res=num_res, index_min=index_min, index_max=index_max,
+            index_list=get_index_list(selected_index)
+           )
 
 
 @app.route("/get_more_search_result", methods=['POST'])
@@ -81,8 +121,15 @@ def get_more_search_result():
     q = []
     q.append(query)
     page_offset = int(request.form['page_offset'])
+    index_num = request.form['index_num']
     num_elem_to_get = 50
 
+    # select correct index
+    if index_num is None or index_num == "0":
+        selected_index = get_current_index()
+    else:
+        selected_index = os.path.join(baseindexpath, index_num)
+
     path_array = []
     preview_array = []
     date_array = []
@@ -92,8 +139,7 @@ def get_more_search_result():
     from whoosh.fields import Schema, TEXT, ID
     schema = Schema(title=TEXT(stored=True), path=ID(stored=True), content=TEXT)
 
-    indexpath = os.path.join(os.environ['AIL_HOME'], cfg.get("Indexer", "path"))
-    ix = index.open_dir(indexpath)
+    ix = index.open_dir(selected_index)
     from whoosh.qparser import QueryParser
     with ix.searcher() as searcher:
         query = QueryParser("content", ix.schema).parse(" ".join(q))
@@ -113,7 +159,6 @@ def get_more_search_result():
         to_return["preview_array"] = preview_array
         to_return["date_array"] = date_array
         to_return["size_array"] = size_array
-        print "len(path_array)="+str(len(path_array))
         if len(path_array) < num_elem_to_get: #pagelength
             to_return["moreData"] = False
         else:
diff --git a/var/www/templates/search.html b/var/www/templates/search.html
index 9b43967d..7d78c83e 100644
--- a/var/www/templates/search.html
+++ b/var/www/templates/search.html
@@ -89,6 +89,16 @@
                         </div>
                         <!-- /.panel-heading -->
                           <div class="panel-body">
+                              <div class="row">
+                              <div class="col-md-12">
+                                  <strong style="">Index: </strong> 
+                                  <select class="form-control" id="index_num" style="display: inline-block; margin-bottom: 5px; width: 15%">
+                                      {% for indexElem in index_list %}
+                                      <option {% if indexElem[2] %} selected="selected" {% endif %}  value="{{ indexElem[0] }}" >{{ indexElem[1] }}</option>
+                                      {% endfor %}
+                                  </select>
+                              </div>
+                              </div>
                           <table class="table table-striped table-bordered table-hover" id="myTable">
                               <thead>
                                    <tr>
@@ -100,16 +110,14 @@
                                    </tr>
                               </thead>
                               <tbody id="table_body">
-                          {% set i = 0 %}
                           {% for path in r %}
                                 <tr>
-                                    <td>{{ i + 1 }}</td>
-                                    <td><a target="_blank" href="{{ url_for('showsavedpaste') }}?paste={{ path }}&num={{ i+1 }}"> {{ path }}</a></td>
-                                    <td>{{ paste_date[i] }}</td>
-                                    <td>{{ paste_size[i] }}</td>
-                                    <td><p><span class="glyphicon glyphicon-info-sign" data-toggle="tooltip" data-placement="left" title="{{ c[i] }}"></span> <button type="button" class="btn-link" data-num="{{ i + 1 }}" data-toggle="modal" data-target="#mymodal" data-url="{{ url_for('showsavedpaste') }}?paste={{ path }}&num={{ i+1 }}" data-path="{{ path }}"><span class="fa fa-search-plus"></span></button></p></td>
+                                    <td>{{ loop.index0 + 1 }}</td>
+                                    <td><a target="_blank" href="{{ url_for('showsavedpaste') }}?paste={{ path }}&num={{ loop.index0+1 }}"> {{ path }}</a></td>
+                                    <td>{{ paste_date[loop.index0] }}</td>
+                                    <td>{{ paste_size[loop.index0] }}</td>
+                                    <td><p><span class="glyphicon glyphicon-info-sign" data-toggle="tooltip" data-placement="left" title="{{ c[loop.index0] }}"></span> <button type="button" class="btn-link" data-num="{{ loop.index0 + 1 }}" data-toggle="modal" data-target="#mymodal" data-url="{{ url_for('showsavedpaste') }}?paste={{ path }}&num={{ loop.index0+1 }}" data-path="{{ path }}"><span class="fa fa-search-plus"></span></button></p></td>
                                 </tr>
-                              {% set i = i + 1 %}
                           {% endfor %}
                               </tbody>
                           </table>
@@ -157,6 +165,28 @@
         if (init_num_of_elements_in_table == pagelen) {
             $("#load_more_json_button1").show();
         }
+
+        $('#index_num').on('change', function() {
+            var form = document.createElement('form');
+            form.setAttribute("method", 'post');
+            form.setAttribute("action", "{{ url_for('search') }}");
+
+            var input1 = document.createElement('input');
+            input1.setAttribute("type", "hidden");
+            input1.setAttribute("name", "index_num");
+            input1.setAttribute("value", this.value);
+            form.appendChild(input1);
+            
+            var input2 = document.createElement('input');
+            input2.setAttribute("type", "hidden");
+            input2.setAttribute("name", "query");
+            input2.setAttribute("value", "{{ query }}");
+            form.appendChild(input2);
+
+            document.body.appendChild(form);
+            form.submit();
+        })
+
     });
 
 </script>
@@ -171,7 +201,7 @@
     }
 
     function load_search_50_data() {
-        var options = { query: query, page_offset: page_offset };
+        var options = { query: query, page_offset: page_offset, index_num: $("#index_num").val() };
         $.post( "{{ url_for('get_more_search_result') }}", options).done(function( data ) {
 
             for(i=0; i<data.path_array.length; i++) {
diff --git a/var/www/templates/searchbox.html b/var/www/templates/searchbox.html
index ff04abae..18e0a947 100644
--- a/var/www/templates/searchbox.html
+++ b/var/www/templates/searchbox.html
@@ -1,6 +1,7 @@
                           <div class="input-group custom-search-form">
                               <form action="/search" id="form-search" method=POST>
                               <input type="text" name="query" class="form-control" placeholder="Search Paste">
+                              <input type="hidden" name="index_num" class="form-control" value="0" placeholder="Index Num">
                               <span class="input-group-btn">
                               <button class="btn btn-default" type="submit">
                                   <i class="fa fa-search"></i>