how to jquery load and use in codeigniter?

[eluser]nickname[/eluser]
hi! the good idea but my project didn't use header and footer. it was a layout (included header, footer and content) just used jquery to load the controller were working and got that result of controller's contents to displayed in content in layout. but the controller that i loaded could not use jquery except layout could use.
thanks u again that helped me. i have want u help me more about this.
- how can i autoload jquery library in codeigniter?
- what can i do with these problem?

thanks in advance.