Can the animations on this site be accomplished with jquery? I am trying to achieve the same as the toght side animation of the gris when a selection is made on the left.
Absolutely! Jquery is an excellent library and easy to use. Here is some documentation of animation.
oh yes why not. these full animation you show in example are all possible.
and Jquery is easy to use these all effect. some example are like this.this is for image view second is example2 for drop menu you can add more jquery in your page and can make your page like you want. jquery have more option to create animation.