Copy this code and paste it in your HTML
function wysiwyg_textarea($name, $value, $config = "NukeUser", $cols = 50, $rows = 10) {
# Don't waste bandwidth by loading WYSIWYG editor for crawlers
if ($advanced_editor == 0 or
!isset($_COOKIE)) { echo "<textarea name=\"$name\" cols=\"$cols\" rows=\"$rows\">$value