htaccess + fb expert..

hii,

i have a normal site like abcdefg.com

i have made an app on fb and have put my abv site in an iframe,

so now..when i open my app appsdotfaceb00kdotcom/appname/ i see my website iframed in it!

now what i want is convert the urls/links of my website to that of app urls..

example: abcdefg.com/12345/ i want to change this to appsdotfaceb00kdotcom/appname/12345/ ..
so when this appsdotfaceb00kdotcom/appname/12345/ is accessed ,this (abcdefg.com/12345/)particular page is opened!

also all clickable links on my site/iframe should go to appsdotfaceb00kdotcom/appname/abc ....... xyz .. but in reality they should be accessing my main website to fetch the content...

any help is appreciated!