[Javascript] can't put info in a TextBox

[Carlos Pedro]

hi

   i want make a function more than this receive 3 values from 3
diferent textboxes and the result go to another textbox

   but i have a problem i only know the name of the text box after the
page are build because the name of textbox are create automaticly??

    is possible make a function like i want???


   thaks


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