You need some training in QALoad. It does not work like a record & Playback testing tool in the sense that it does not record objects, images & mouse clicks.
What QALoad records is the Communication protocol traffic (HTTP in case of www), and then generates the same traffic but for multiple users. Please see the capture file and the script file (not the vistree), and you will understand what I am trying to tell you.
I greatly appreciate your reply.I understood what you are trying to say.
My question comes here is, i want to customize such a way when ever the URL(http://main URL)changes i don't want to change in my scripts.
I want to place some where in config/xml file and change there.
Write some function kind of thing and read that parameter from file to script.
I have idea to like that but i don't know how to get start on this.