title: how to navigate from one mxml to another mxml in flex3
body: <p>suppose i have 3 buttons(for example say, productin, marketing, sales ) on my main.mxml..
  once i click on one button it should take me to abc.mxml page with production data, once again if i click on second button it should take me to the same abc.mxml but with marketing data. same as for 3rd button also, </p>
  
  <p>how can i achieve this ?</p>