Jquery Framework Choice
Jquery Lightbox option to open image of bigger size in a lightbox size(You can place a note for your favourable one such as colorbox, Lightbox2, Fancybox.
Select this option to have tooltip on links or images.
Select this option, to make expanded/collapsed menu or content blocks.
Select this option to have tabs links with content under it.
Custom Form Element
Jquery Popup / ModalBox
Select this option if you have content in your design in some poup/modalbox such as loginform.
jQuery Calender on click of datefield.
Jquery Image Slider/Slideshow/Carousel
Select this option for slideshow/image slider/carousels.