Strange problem with intermittent rollover

I have created a rollover on parts of the logo using a button with content only in the hit frame and an action to make buttons in another part of the page fade in. The rollover seems to be intermittent. It seems to never work the first time requiring the user to rollover twice.

I used the following action script on the button:
on (rollOver)
{
new mx.transitions.Tween(kataloghomebut, "_alpha", mx.transitions.easing.Strong.easeIn, 0, 100, 1, true);
}

The swf can be seen at:
http://www.evocreative.com/flash/index.html

The fla is at:
http://www.evocreative.com/flash/evo4a.zip

I have absolutely no idea what could be causing this. I'd really appreciate some help.

works fine here !

Ok wait! When I rollover any of the spikes in the logo nothing happens until I roll off and roll over again. No one else has this issue?

artdog... i got that problem... don't have time to look into it right now, but i'll see what i can come up with over the weekend...

heights

Great. Any help would be really.. well um... great.

oooh my, that`s exactly what i dont like in a flash source.
Bunch of buttons, shapes and movie clips, named: button1, button2, button3 .... and when u want to change it after a while, u hit your head against the walls because you were too lazy to give suggestive names to each of them.
Also a long main tween ... with lots of layers.
on topic, about the problem ... i noticed what`s the problem but couldn't compile since i lack the component for sprite 9 (ThumbGallery).
There something that i dont understand though.
Why you define 2 times the on(press) function?

u could just place the gotoAndPlay line in the first on(press).
Abt. your issue ... not sure, need that component in order to test.