To go to HTML Source view:
In Page view, click the HTML Source tab.
HTML Source view appears.

Source view is divided into the Document Map pane on the left and the HTML Source Editor pane on the right. You can resize the panes by dragging the divider bar.
The Document Map displays the hierarchy of HTML components and language elements on the current page. It provides you with quick access to code for NetObjects Fusion objects.
To expand a tag’s code in the Document Map, click the plus sign.
To collapse a tag’s code, click the minus sign or right-click and choose Collapse Item from the shortcut menu. To collapse all tags, choose Collapse Map from the shortcut menu.
Double-click a tag to highlight the corresponding code in the HTML Source Editor.
To hide the Document Map, choose Hide from the shortcut menu. To restore the Document Map display, choose Document Map from the HTML Source Editor’s shortcut menu.
The HTML Source Editor displays the source code for the current page.
Protected code is displayed on a gray background. You cannot edit this code.
Unprotected code is displayed on a white background. You can edit this code or add code anywhere there is a white background.
Language elements are differentiated by text color:
Blue: HTML tag
Green: HTML attribute names
Maroon: HTML attribute values
Black: Text that appears on the page
Gold: HTML and SCRIPT comments
Purple: SCRIPT tags
Teal: SCRIPT tags
Red: Unknown tags
SCRIPT keywords appear in bold text.
If the page contains frames, a tab for each frame appears at the bottom of the HTML Source Editor. See Working in the HTML Source Editor.
Blocks of code can be expanded and collapsed by clicking its plus or minus sign respectively.