How do I use action script to fade out?

[caff]

Hi
I have an image which is moving vertically on the stage and have attached this script to it:

image1_mc.onEnterFrame=function(){
this._y-=(this._y-box_mc._y)*.1;
}

It all works fine at the moment - its still a little bit jerky in its movement but I guess this can be fixed?

However, I want to be able to make this image fade in, hold at 100% opacity for a second, then fade out.

How would I do this?.....thankyou!!!

[caff]

Im uploading my fla file to show you all what i mean - im really desperate for some help with smoothing all the jerky movements out...

basically the file is like this:

1st part :
text flies in - which is all fine
image is suppost to fade in and pan up - then fade out (at the moment it just pans as I dont know where to place the fade in and out script)

2nd part:
text flies in - all fine
image then fades in and zooms in - halts then fades out
(i desperatly need help with this one!)

Im sure its quite easy but I just cant seem to get it working?
Id appreciate any help on this! thanks