diff --git a/src/org/geometerplus/android/fbreader/network/AddCustomCatalogItemTree.java b/src/org/geometerplus/android/fbreader/network/AddCustomCatalogItemTree.java
index 5a22fe7e4..77b7d0018 100644
--- a/src/org/geometerplus/android/fbreader/network/AddCustomCatalogItemTree.java
+++ b/src/org/geometerplus/android/fbreader/network/AddCustomCatalogItemTree.java
@@ -29,8 +29,8 @@ import org.geometerplus.fbreader.network.NetworkTree;
 import org.geometerplus.android.fbreader.tree.ZLAndroidTree;
 
 public class AddCustomCatalogItemTree extends NetworkTree implements ZLAndroidTree {
-	public AddCustomCatalogItemTree() {
-		super(1);
+	public AddCustomCatalogItemTree(NetworkTree parent) {
+		super(parent);
 	}
 
 	@Override
diff --git a/src/org/geometerplus/android/fbreader/network/NetworkBookInfoActivity.java b/src/org/geometerplus/android/fbreader/network/NetworkBookInfoActivity.java
index 6cd908970..cea518a1f 100644
--- a/src/org/geometerplus/android/fbreader/network/NetworkBookInfoActivity.java
+++ b/src/org/geometerplus/android/fbreader/network/NetworkBookInfoActivity.java
@@ -99,7 +99,7 @@ public class NetworkBookInfoActivity extends Activity implements NetworkView.Eve
 
 	@Override
 	public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
-		new RefillAccountActions().buildContextMenu(this, menu, new RefillAccountTree(myBook.Link));
+		new RefillAccountActions().buildContextMenu(this, menu, myBook.Link);
 	}
 
 	@Override
diff --git a/src/org/geometerplus/android/fbreader/network/NetworkLibraryActivity.java b/src/org/geometerplus/android/fbreader/network/NetworkLibraryActivity.java
index 69af7232a..2a819f841 100644
--- a/src/org/geometerplus/android/fbreader/network/NetworkLibraryActivity.java
+++ b/src/org/geometerplus/android/fbreader/network/NetworkLibraryActivity.java
@@ -103,7 +103,7 @@ public class NetworkLibraryActivity extends NetworkBaseActivity {
 
 	private void prepareView() {
 		if (myTree == null) {
-			myTree = NetworkLibrary.Instance().getTree();
+			myTree = NetworkLibrary.Instance().getRootTree();
 			setListAdapter(new LibraryAdapter());
 			getListView().invalidateViews();
 		}
diff --git a/src/org/geometerplus/android/fbreader/network/NetworkView.java b/src/org/geometerplus/android/fbreader/network/NetworkView.java
index 9c41f24f3..2930b2e0c 100644
--- a/src/org/geometerplus/android/fbreader/network/NetworkView.java
+++ b/src/org/geometerplus/android/fbreader/network/NetworkView.java
@@ -69,6 +69,10 @@ class NetworkView {
 		myActions.add(new AddCustomCatalogItemActions());
 		myActions.trimToSize();
 
+		final NetworkTree root = library.getRootTree();
+		mySearchItem = new SearchItemTree(root);
+		myAddCustomCatalogItem = new AddCustomCatalogItemTree(root);
+
 		myInitialized = true;
 	}
 
@@ -313,8 +317,8 @@ class NetworkView {
 	 * Special view items item
 	 */
 
-	private final SearchItemTree mySearchItem = new SearchItemTree();
-	private final AddCustomCatalogItemTree myAddCustomCatalogItem = new AddCustomCatalogItemTree();
+	private SearchItemTree mySearchItem;
+	private AddCustomCatalogItemTree myAddCustomCatalogItem;
 
 	public SearchItemTree getSearchItemTree() {
 		return mySearchItem;
diff --git a/src/org/geometerplus/android/fbreader/network/RefillAccountActions.java b/src/org/geometerplus/android/fbreader/network/RefillAccountActions.java
index 6107f3bc3..fbb1f8799 100644
--- a/src/org/geometerplus/android/fbreader/network/RefillAccountActions.java
+++ b/src/org/geometerplus/android/fbreader/network/RefillAccountActions.java
@@ -41,9 +41,12 @@ class RefillAccountActions extends NetworkTreeActions {
 
 	@Override
 	public void buildContextMenu(Activity activity, ContextMenu menu, NetworkTree tree) {
+		buildContextMenu(activity, menu, ((RefillAccountTree)tree).Link);
+	}
+
+	public void buildContextMenu(Activity activity, ContextMenu menu, INetworkLink link) {
 		menu.setHeaderTitle(getTitleValue("refillTitle"));
 
-		final INetworkLink link = ((RefillAccountTree)tree).Link;
 		if (Util.isSmsAccountRefillingSupported(activity, link)) {
 			addMenuItem(menu, REFILL_VIA_SMS_ITEM_ID, "refillViaSms");
 		}
diff --git a/src/org/geometerplus/android/fbreader/network/RefillAccountTree.java b/src/org/geometerplus/android/fbreader/network/RefillAccountTree.java
index 4cb9791f2..4f132ac9c 100644
--- a/src/org/geometerplus/android/fbreader/network/RefillAccountTree.java
+++ b/src/org/geometerplus/android/fbreader/network/RefillAccountTree.java
@@ -36,15 +36,10 @@ class RefillAccountTree extends NetworkTree implements ZLAndroidTree {
 	public final INetworkLink Link;
 
 	public RefillAccountTree(NetworkCatalogTree parentTree) {
-		super(parentTree.Level + 1);
+		super(parentTree);
 		Link = parentTree.Item.Link;
 	}
 
-	public RefillAccountTree(INetworkLink link) {
-		super(1);
-		Link = link;
-	}
-
 	@Override
 	public String getName() {
 		return ZLResource.resource("networkView").getResource("refillTitle").getValue();
diff --git a/src/org/geometerplus/android/fbreader/network/SearchItemTree.java b/src/org/geometerplus/android/fbreader/network/SearchItemTree.java
index 379664ca9..dc0347eca 100644
--- a/src/org/geometerplus/android/fbreader/network/SearchItemTree.java
+++ b/src/org/geometerplus/android/fbreader/network/SearchItemTree.java
@@ -34,11 +34,10 @@ import org.geometerplus.zlibrary.ui.android.R;
 import org.geometerplus.android.fbreader.tree.ZLAndroidTree;
 
 public class SearchItemTree extends NetworkTree implements ZLAndroidTree {
-
 	private SearchResult myResult;
 
-	public SearchItemTree() {
-		super(1);
+	public SearchItemTree(NetworkTree parent) {
+		super(parent);
 	}
 
 	@Override
diff --git a/src/org/geometerplus/fbreader/network/NetworkLibrary.java b/src/org/geometerplus/fbreader/network/NetworkLibrary.java
index 0b14619ca..cd5329790 100644
--- a/src/org/geometerplus/fbreader/network/NetworkLibrary.java
+++ b/src/org/geometerplus/fbreader/network/NetworkLibrary.java
@@ -413,11 +413,10 @@ public class NetworkLibrary {
 		}
 	}
 
-	public NetworkTree getTree() {
+	public NetworkTree getRootTree() {
 		return myRootTree;
 	}
 
-
 	public void simpleSearch(String pattern, final NetworkOperationData.OnNewItemListener listener) throws ZLNetworkException {
 		LinkedList<ZLNetworkRequest> requestList = new LinkedList<ZLNetworkRequest>();
 		LinkedList<NetworkOperationData> dataList = new LinkedList<NetworkOperationData>();
diff --git a/src/org/geometerplus/fbreader/network/NetworkTree.java b/src/org/geometerplus/fbreader/network/NetworkTree.java
index 2697ed2f2..6e7b28637 100644
--- a/src/org/geometerplus/fbreader/network/NetworkTree.java
+++ b/src/org/geometerplus/fbreader/network/NetworkTree.java
@@ -94,10 +94,6 @@ public abstract class NetworkTree extends FBTree {
 		}
 	}
 
-	protected NetworkTree(int level) {
-		super(level);
-	}
-
 	protected NetworkTree() {
 		super();
 	}
diff --git a/src/org/geometerplus/fbreader/tree/FBTree.java b/src/org/geometerplus/fbreader/tree/FBTree.java
index 743b394dc..0cf94b8d9 100644
--- a/src/org/geometerplus/fbreader/tree/FBTree.java
+++ b/src/org/geometerplus/fbreader/tree/FBTree.java
@@ -29,10 +29,6 @@ public abstract class FBTree extends ZLTree<FBTree> implements Comparable<FBTree
 	private ZLImage myCover;
 	private boolean myCoverRequested;
 
-	protected FBTree(int level) {
-		super(level);
-	}
-
 	protected FBTree() {
 		super();
 	}
diff --git a/src/org/geometerplus/zlibrary/core/tree/ZLTree.java b/src/org/geometerplus/zlibrary/core/tree/ZLTree.java
index 676246ec6..2945da0e9 100644
--- a/src/org/geometerplus/zlibrary/core/tree/ZLTree.java
+++ b/src/org/geometerplus/zlibrary/core/tree/ZLTree.java
@@ -27,10 +27,6 @@ public abstract class ZLTree<T extends ZLTree<T>> implements Iterable<T> {
 	public final int Level;
 	private ArrayList<T> mySubTrees;
 
-	protected ZLTree(int level) {
-		this(level, null, 0);
-	}
-
 	protected ZLTree() {
 		this(null);
 	}