if (!started)
{
    // state_entry() is an event handler, it executes
    // whenever a state is entered.
    state_entry()
    {
        // llSetTextureAnim() is a function that animates a texture on a face.
        llSetTextureAnim(ANIM_ON | SMOOTH | LOOP, 0,0,0,0.0, 1,0.8);
                            // animate the script to scroll across all the faces.
    }
started=TRUE;
}