CKEditor requires JavaScript to run. In a browser with no JavaScript support, like yours, you should still see the contents (HTML data) and you should be able to edit it normally, without a rich editor interface.
Editor 1 (uses the shared toolbar and element path): <p>This is some <strong>sample text</strong>. You are using <a href="http://ckeditor.com/">CKEditor</a>.</p>Rich Text Editor
Editor 2 (uses the shared toolbar and element path): <p>This is some <strong>sample text</strong>. You are using <a href="http://ckeditor.com/">CKEditor</a>.</p>Rich Text Editor
Editor 3 (uses the shared toolbar only): <p>This is some <strong>sample text</strong>. You are using <a href="http://ckeditor.com/">CKEditor</a>.</p>Rich Text EditorElements path
Editor 4 (no shared spaces): <p>This is some <strong>sample text</strong>. You are using <a href="http://ckeditor.com/">CKEditor</a>.</p>Rich Text EditorToolbar Source Save New Page Preview Templates Cut Copy Paste Paste as plain text Paste from Word Print Check Spelling Spell Check As You Type Undo Redo Find Replace Select All Remove Format Form Checkbox Radio Button Text Field Textarea Selection Field Button Image Button Hidden Field Bold Italic Underline Strike Through Subscript Superscript Insert/Remove Numbered List Insert/Remove Bulleted List Decrease Indent Increase Indent Block Quote Create Div Container Left Justify Center Justify Right Justify Block Justify Link Unlink Anchor Image Flash Table Insert Horizontal Line Smiley Insert Special Character Insert Page Break for PrintingStylesStylesFormatFormatFontFontSizeSize Text Color Background Color Maximize Show Blocks About CKEditor▲Elements path