Making of Parent movie -

Steps:

• Open a new flash document with the background color of #666666.
  
  Here i want to tell you one thing about background color. When you load an swf file from another flash movie, the background color of the child movie will no longer appear on parent movie. So if you made objects in child movie with "white" color and background color as black, the black background will not appear at parent movie. So here, you have to change the background color of parent other than "white" so the white colored text will visible.
• Now open the "windows" tab and select "components". From the components window drag the "Loader" component in to workspace.
• Place the "Loader" any where as you like.
• Then by selecting the loader component open "parameters" window.
• Set "autoload" = true and write the content path as "movieclip.swf".
• Next if you want child movie to be displayed at its orginal dimensions means set the
  "scaleContent" to "false". Otherwise set it as "true and check below picture to verify.

• Publish the movie and you have done.
• Don't forget to keep the child movie in the directory where parent presents.