dynamic link automatic download file ?

[faustf]

hi  guy  

i have a  link  in a  web page  , when i click over   start load  some   second  and  create a file xls for download  , i try  with inetget and  relative  path  but  not  load  

how is possible  download  ??

this is a part of page  

<a href="http://b2b.cdcpoint.it/l2/exportexcel/index/dwllistino/" abp="2646">Scarica il listino CDC</a>

after click the  site  build  a  file  with this name 

Listino completo CDC aggiornato al 03_03_2015 - mycode.xls