You want to specify a location on the screen where a Projector should open.
Use SWF Studio to create the Projector (Windows only) and specify the position settings.
One of the many useful features of SWF Studio is the ability to specify where on screen the Projector should open. Standard Flash Projectors don't offer this option, but SWF Studio can set the percentage values in the x and y directions at which the Projector should open. To accomplish this, complete the steps in Recipe 2.10, substituting the following for step 6: