guys where mistake
I have
<img src="http://s22.postimg.org/53a35cvht/image.png" border="0" />
I can check trust.at(lev-1) = 3 but action doesn't work
<img src="http://s4.postimg.org/vw4xslc31/text.png" border="0" />
in text box write 1 3
I cant understand why don't check the value
please help