Switch to side-by-side view

--- a/tool/src/main/core.java
+++ b/tool/src/main/core.java
@@ -16,6 +16,7 @@
 
 import FileExtension.ExtensionControl;
 import GUI.StudioUI2;
+import GUI.StudioUI3;
 import definitions.Messages;
 import definitions.is;
 import java.io.File;
@@ -45,7 +46,7 @@
     public static HashMap
             temp = new HashMap<String, Object>();
     
-    public static StudioUI2 studio = null;
+    public static StudioUI3 studio = null;
     
     public static utils.KeyStroke key = 
             new utils.KeyStroke(Messages.SearchBoxPressedKey);