arduino GSM sheild(webserver example)

Hello I am using GSM sheild with three sensors to send data wirelessly with help of form method
http://www.open-electronics.org/how-send-data-from-arduino-to-google-docs-spreadsheet/.
This code is for Ethernet sheild,how to modify it for GSM sheild,please specify code.

also I successfully tried example code of sending message,call and webclient
but for Webserver example,after it displaying IP address what should be done further to check analog reading ?