Not able to java Script variables in ABAP

Hi,

I am creating line inems on the layout and the name of the input field ic created dynamically.

<input type="hidden" name="itab[<%=sy-tabix%>].maktx"

value="<%= application->w_itab-maktx.%>">

now i need to read this values on click event.

I am reading it as

application->w_itab-maktx =

request->get_form_field( 'w_itab[1].maktx' ).

but application->w_itab-maktx is empty.. i am not able to read this value from the form

Any on eknows how to do it.

Thanks