Fatal error : Please help

[aksoft2007]

Hello , i have a problem
i hosted the script 2.0.2 to free host www.24.gp (all required is green) but when i try to login into admin section this line message appear and i can't login

Fatal error: Call to undefined function curl_init() in /data/multiserv/users/612245/projects/1536961/www/components/HttpClient.php on line 20

please help me .

- database installed secceful
- table listed & loaded secceful
- login not secceful

what is the problem ? how fix It ?

look my hosted version
http://bit.ly/oeewAx

i am waiting ....
thanks