2. An apparatus according to claim 1 , further comprising a sending module adapted to send from the proxy server apparatus, via a network connection, data in accordance with the modified Javascript.
2. An apparatus according to claim 1 , further comprising a sending module adapted to send from the proxy server apparatus, via a network connection, data in accordance with the modified Javascript. 3. An apparatus according to claim 2 , wherein said sending module sends the data in accordance with the modified Javascript via a network connection for receipt by the client device.