You have entered directory where you can add article, please choose a mode. Overall there is two(2) modes: the WYSIWYG editor and HTML text.
Please learn prior adding of article, how to do it properly !
If you are having article in HTML, then please use HTML text.
If you are having article in Word, or you'd like to use WYSIWYG editor, then please use WYSIWYG Editor. Attention! WYSIWYG editor is not supported by Opera web-browser!