Slide Show CS is not working .

Slide Show CS is not working why i thing i uploaded everything but where i m wrong i don't understand so plz help me .
but still i have some quary
1.where to put jQuery plugin Cross-Slide.
2.where to put jQuery
3.where i find jQuery(function($) {
//put your jQuery code here
});
4.How to do this :-Don't forget to invoke CrossSlide inside a DOM- ready handler as read in http://www.gruppo4.com/~tobia/cross-slide.shtml.