Hi. May be this will help <a href="http://drupal.org/project/conditional_fields">http://drupal.org/project/conditional_fields</a> .<br>And if it D7 you can use #states in FormAPI  <a href="http://drupal.org/node/699828">http://drupal.org/node/699828</a> .<br>
<br><div class="gmail_quote">On Wed, Nov 24, 2010 at 1:21 AM, Aldo Martinez Selleras <span dir="ltr">&lt;<a href="mailto:aldo@caonao.cu">aldo@caonao.cu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Thks a lot, but I need to do with my own code!<br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>With best wishes,<br>Anatoly Belyaev<br>