Switch to side-by-side view

--- a/src/qtgui/rclmain.h
+++ b/src/qtgui/rclmain.h
@@ -60,6 +60,8 @@
     virtual void setUIPrefs();
     virtual void enableNextPage(bool);
     virtual void enablePrevPage(bool);
+    virtual void docExpand(int);
+    virtual void ssearchAddTerm(QString);
 protected:
     Preview *curPreview;
     advsearch *asearchform;