pop-up windows in flash 3

[funkymunc]

Using flash 3 for web design for about 4 weeks, I am having dificulties with opening a small popup windows within the browser, Options on the get url action seems limited is there any way to size a new window such as adding java script etc?<br>
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One more question regarding anchoring movies within a movie? Is it posible? Mine keep on appearing in top left corner no matter the dimensions of the movie.<br>
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If you can help thanks.