Helghast@ I don't use it, simply cause I don't have such model And I'm not able to animate it myself as well. BTW, it's not that really hard to blend between three animations, from 1 to 2 and from 2 into 3 (up, center, down)

the_clown@ I got the same result already, with the script above (only one "ent_animate" line is missing).
Result isn't really good.. It doesn't look as it should And yes, I'm using bone animations.

Here is the screen for you guys to see:

Still, I have no idea why thins happens, cause in half-life game, this works perfect.. Any other ideas?
And thank you for your time guys.

Edit: here is, how should it looks like: