diff --git a/frontend/frontend/setup_tool.py b/frontend/frontend/setup_tool.py
index 68a2b19..f27d212 100644
--- a/frontend/frontend/setup_tool.py
+++ b/frontend/frontend/setup_tool.py
@@ -1,7 +1,109 @@
 
 
 def build_xpathes(item_tag_ids, html_json):
-    shared_tag_queue = [];
+    shared_tag_stack = [];
+
+def build_parent_stack(html_json, tag_id):
+    tag_stack = []
+
+    def walk_by_tag(tag):
+        if (tag[1]['tag-id'] == tag_id):
+            return True
+        else:
+            for subtag in tag[2]:
+                if walk_by_tag(subtag):
+                    tag_stack.append(subtag)
+                    return True
+            return False
+    
+    walk_by_tag(html_json)
+    return list(reversed(tag_stack))
+
+def find_tags_by_tag_names(html_json, parent_tag_names):
+
+    tag_ids = []
+
+    def walk_by_tag(tag):
+        depth = len(tag_ids)
+        if tag[0] == parent_tag_names[depth]:
+            if depth == len(parent_tag_names)-1: # is a tie
+                tag_ids.append(tag[1]['tag-id'])
+            elif depth < len(parent_tag_names):
+                for subtag in tag[2]:
+                    walk_by_tag(subtag)
+    return tag_ids
+
+# allusion to xpath
+class PathItem:
+    go_parent = False
+    go_child_tag = None
+    child_index = None
+
+def _build_path(stack, target_stack):
+    fork = None
+    for fork_i in xrange(0, len(stack)):
+        if stack[fork_i] == target_stack[fork_i]:
+            fork = stack[fork_i]
+        else:
+            break
+     
+    path = []
+    for i in xrange(fork_i, len(stack)):
+        path.append(PathItem(go_parent=True))
+
+    for i in xrange(fork_i, len(target_stack)-1):
+        tag = target_stack[i]
+        tag_name = tag[0]
+        parent = target_stack[i-1]
+        children = parent[2]
+        idx = 0
+        for j in xrange(0, len(children)):
+            if children[j][0] == tag_name:
+                idx += 1
+                if children[j] == tag:
+                    break
+        path.append(PathItem(go_child_tag=tag_name, child_index=idx))
+        
+    return path
+    
 
 def get_selection_tag_ids(item_tag_ids, html_json):
-    return {'title': [], 'description': []}
+    parent_stacks = {}
+
+    import pdb; pdb.set_trace()
+    # buld parent stacks for every item name
+    for name in item_tag_ids:
+        tag_id = item_tag_ids[name]
+        parent_stacks[name] = build_parent_stack(html_json, tag_id)
+
+    # get first item and get his path
+    first_name, parent_stack = parent_stacks.popitem()
+    parent_tag_names = [tag[0] for tag in parent_stack]
+
+    # find tags for first item
+    tags = find_tags_by_tag_names(html_json, parent_tag_names)
+
+    # get pathes for another items
+    selection_pathes = {}
+    for name in parent_stacks:
+        selection_pathes[name] = _build_path(parent_stack, parent_stacks[name])
+
+    # get selection ids
+    selection_ids = [name:[] for name in item_tag_ids]
+    for source_tag in tags:
+        ids = []
+        for name in selection_pathes:
+            tag = _find_tag(html_json, source_tag, selection_path[name])
+            if tag is not None:
+                ids[name] = tag[T_ATTRS]['tag-id'])
+            else
+                ids = None
+                break
+        if ids is not None:
+            selection_ids[first_name].append(source_tag[T_ATTRS]['tag-id'])
+            for name in selection_pathes:
+                selection_ids[name].append(ids[name])
+
+    return selection_ids
+
+    return { name: tag_ids }
diff --git a/frontend/frontend/static/frontend/assets/js/setup-tool.js b/frontend/frontend/static/frontend/assets/js/setup-tool.js
index 62c54a2..e6577c6 100644
--- a/frontend/frontend/static/frontend/assets/js/setup-tool.js
+++ b/frontend/frontend/static/frontend/assets/js/setup-tool.js
@@ -52,12 +52,12 @@ function buildJsonFromHtml(doc) {
                 var res = tag2json($(t));
                 Array.prototype.push.apply(tagListJson, res);
             });
-            return tagsListJson;
+            return tagListJson;
         }
     }
 
     if (!iframeHtmlJson)
-        iframeHtmlJson = tag2json(doc.find(':root'));
+        iframeHtmlJson = tag2json(doc.find(':root'))[0];
     return iframeHtmlJson;
 }
 
@@ -67,7 +67,7 @@ function calcAllSelections() {
     var name_ids = {};
     for (var name in itemsData) {
         if (!!itemsData[name].id)
-            name_ids[name] = itemData.id;
+            name_ids[name] = itemsData[name].id;
     }
 
     $.ajax({
@@ -149,7 +149,6 @@ function clearBg(element, unpick) {
 
 function selectElement(element, itemData) {
     setBg(element, itemData.elementSelectedBg, true);
-    calcAllSelections();
 }
 
 function unselectElement(element) {
@@ -183,6 +182,7 @@ function onIframeElementClick(event) {
     else if (curItemData.mode == MODE_PICKING) {
         selectElement(this, curItemData);
         updateButtonAndData(curItemData, MODE_PICKED, $(this).attr('tag-id'));
+        calcAllSelections();
     }
 }