How can I create a Web learning site with joomla?

hi

I want to establish a web learning site (HTML , JS , ...) like:
http://davidwalsh.name/mootools-12-tooltips-customize

i want to put my contents something like this:
http://i524.photobucket.com/albums/c...061/code01.png


I tried the filtering option but it doesn't help

disabling the TinyMCE WYSIWYG Editor is so bad because i want to put some formatting in my content!

is there any way to have both of them?
I meant using a WYSIWYG Editor for text formatting and putting some "tags and codes" (with highlight) in my content!

can you help me?

1) go to your user profile and turn the wysiwyg editor off, then paste raw HTML
2) get the mod_php extension which doesn't strip code from input