The steps to create the cross-frame menu are as follows:

 

4. Click "Global > Cross-Frame" in tasks panel to open Cross-Frame panel.
   
5. Select the sub menu popup direction. In the sample, it is set to "Bottom to top".
   
6. Fill the left frame name "right" in the navigation frame box; and main frame name "topframe" in popup menu box.
   
   
   
7. Publish the menu into the navigation frame, that is the page where the menu shows. Click the button "Publish > View/Copy Code" to publish the menu into the page.
   
8. Save the frameset page and preview the menu crossing frame to show its popup menu.

 

Note: To edit the menu again, just open the .pgt file of the menu in the program and click the button "Publish" to publish the menu again.