Click "Open Visual Interface" to edit.
When finished editing, choose File>Save, select the content and paste into a Notepad page. Then choose File>Quick Publish and copy the contents of the window.
Then go to Website Editing Tools> Edit template content and edit the left column content. Paste the Quick Save data into the Source window of the left column content box.
If satisfied that your edits work correctly, replace the contents of the Advanced Content window below with the file that you saved to a Notepad page. Keep your Notepad page as a backup.