url scrambling to hide variables

[Guest]

does anyone know how we can scramble an output URL like this ?

http://search.ebay.co.uk/payphone_W0QQsojsZ1QQfromZR40

like when someone is logging in somewhyere and variables are being passed through the url i want them scrambled like that

how do we do it ?


also how can we have URL;s like yahoo

http://www.yahoo.com/_ylh=X3oDMTEwdnZjM ... Y3Nz/r/00/

cheers

[Caterham]

see viewtopic.php?t=796

how do we do it ?

Write a script in php, c#, perl, cfm, jsp or whatever which generated URLs such as the examples and send an external redirect