[Koha] change opac url

Hello i want to change my data link to secure my data when click pdf link it give full path to pdf,i want to change this url or hide itfor example when click it givehttp://192.167.1.5/data/888/888/88/888-888-88.pdfi want change it to be like thishttp://192.168.1.5/xxxxxxxxxxor any otherthanks _________________________________________________________________ Windows Live Hotmail: Your friends can get your Facebook updates, right from Hotmail®. http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/soc...