required Based Wysiwyg editor

Hi anybody knows how to integrate the word editor(Based Wysiwyg editor) with a website. Please give some pointers so that i can read and integrate into my site. i need it for editing the documents online.

 

Thanks, looks this forum is highly responsive.

is this Xhtml based. is it possible to integrate into asp.net websites.
thanks i will check this in thier website as well.

 

seen many ads for such online editors, need to test them out

 

let me first evaluate the TinyMce and let me update here