Navigation between jspx pages through the browser back button

hi all,

i have number of .jspx pages in my application, all of those are included in one singe jspx . Then My application run successfully,but i want navigation for my jspx's through the browser....Is it posible?

my problem is:If i run my application with bellow URL.....http://localhost:8888/sample/sampleapp.jspx

suppose i have 2 command links in sampleapp.jspx,those are A,X these action are link with
A------> abc.jspx and
X------> xyz.jspx

here A,X links are visible at headder level in sampleapp.jspx page.

then first i click on commandLink "A" ,action goes to abc.jspx
next click on commandLink "X" ,action goes to xyz.jspx

here my doubt is URL not changed,but i click browser back button action should goes to abc.jspx....
is it posible in Ajax based applications?if posible wts the solution ?

sampleapp.jspx
_________________________________________________________
| header A X |
|________________________________________________________|
| Body .................................................................................. |
| |
| <include:/abc.jspx> renderd=#if A Link click's |
| <include:/xyz.jspx > renderd=#if X Link click's |
| |
| |
| |
| | |__________________________________________________________

Could you Please give the reply.

Thanks