<script src="//tinymce.cachefly.net/4.2/tinymce.min.js"></script>
<script>tinymce.init({selector:'textarea'});</script>.<!DOCTYPE html>
<html>
<head>
<script src="//tinymce.cachefly.net/4.2/tinymce.min.js"></script>
<script>tinymce.init({selector:'textarea'});</script>
</head>
<body>
<form method="POST" action="add_news.php">
<textarea name="<ИМЯ ДЛЯ ИДЕНТИФИКАЦИИ POST>"><textarea>
<input type="submit">
</form>
</body>
</html>
