how to disable reaching ajax call from browser

[djfewz]

I have following ajax call\[code\]open: function () { $(this).load("MyBox.aspx?sec=L&levId=" + RowId); }\[/code\]so people can see the querystring, so the user can copy url and paste it to browser but how can i block that? I dont want it to shown from browser. How I can do that? I m using asp.net and jquery.