Ajax function on page load

Hi Team, Scope: Creating ajax/jquery method on page load which will call existing methods/URL and pass request parameter Out Of Scope: Saving data into the database Detail: we have existing application where we upload a PDF file with having some information w.r.t PDF file. After submit the page, all information save into the database. Now we are dividing the flow in 2 steps: first user upload the file and onchange event it goes to second screen where we would like to call ajax on page where we will save the information . Here we would like to call ajax that will save PDF information into the database and send success to the page... Note: Please check [login to view URL] for more information where it upload file in 2 steps and calling ajax method on load Regards Vasu