There are many ways to do it. I'd script the tween and use a callback like
this...

Press > tween close> load movie > tween up

You can find docs on the tween engine here...

http://laco.wz.cz/tween/
http://www.mosessupposes.com/Fuse/



#include "lmc_tween.as"
//
var container:MovieClip = createEmptyMovieClip("container",
getNextHighestDepth());
var mcLoader:MovieClipLoader = new MovieClipLoader();
mcLoader.addListener(this);
//
_btn.onPress = function() {
        animateScreen("close", "file.jpg");
};
//
function animateScreen(pos, clp) {
        //
        var dur = .5;
        var closeY = 500;
        var openTopY = 450;
        var openBottomY = 550;
        var ease = "easeInOutExpo";
        //
        if (pos == "close") {
                var callback = {func:loadImg, args:[clp]};
                topBar_mc.tween("_y", closeY, dur, ease);
                bottomBar_mc.tween("_y", closeY, dur, ease, 0, callback);
        } else {
                topBar_mc.tween("_y", openTopY, dur, ease);
                bottomBar_mc.tween("_y", openBottomY, dur, ease);
        }
}
function loadImg(clp) {
        mcLoader.loadClip(clp, container);
}
function onLoadInit(mc:MovieClip) {
        animateScreen("open");
}

Good luck 

-Andy Stone





-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Marcelo de
Moraes Serpa
Sent: Friday, January 12, 2007 8:18 PM
To: Flashcoders mailing list
Subject: [Flashcoders] How to achieve this line "open/close" effect?

Hello!

I'd like to achieve a masking effect similar to the one present on
this template:

http://www.templatehelp.com/preset/pr_preview.php?i=10712&pr_code=3Q2P7g93F4
eju93em4J52LUq1hYM59

The two horizontal lines that move vertically to show up the initial
background, then they "get together" and start moving in reverse to
show the picture
gallery.

But I'm confused on how to do it... firstly, do you think that it is
scripted or it is a timeline-only animation?

If it is to be scripted, I think that a mask MovieClip would have to
stretch its height to the current line _x position...

What do you think?

Thanks,

Marcelo.
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