Rails - Jul 2005 - Dynamic variables?

I am hoping someone can a newbie here with this, as I am losing my mind trying
to figure this out.

Here is what I am trying to do:

I have a ajaxed form, where a user enters the number of secondary fields, and
the page builds said number of fields and then once the users fills out those
fields and hits submit it calls an action to concatinate the fields data into a
string with a | seperator.

I am struggling with how to take the data from this dynamic set of fields and
actually build the concatinated string.

Here is the views and controller code I am working with:

CONTROLLER:

class StepTwoController < ApplicationController

def index
# @labelNumber = request.raw_post._to_i
end

def addFields
 @labelNumber = request.raw_post.to_i
 render (:layout => false)
end

def buildLabels
# this gets the number of labels from the orginal form
@labelNumber = params[:id]
end

end


INDEX.RHTML

<h2>ADD LABELS</h2>
<%= text_field_tag :labelNumber %>
<%= observe_field( :labelNumber,
				:frequency => 0.5,
				:update => ''fields'',
				:url => { :action => :addFields }) %>
<br/><br/><br/>
<div id="fields"></div>


ADDFIELDS.RHTML
<%= start_form_tag :action => ''buildLabels'', :id =>
@labelNumber %>
<% (1..@labelNumber).each do |i| %>
  <input type="text" name="field_<%= i %>"
/><br/><br />
<% end %>
<%= hidden_field ''label'', "labelNumb",
"value" => @labelNumber %>
<%= submit_tag "Continue to Step 3 >>" %>
<%= end_form_tag %>

The problem I am having is I dont how to get the data from addFields.html and
modify it in the buildLabels action.

Any help would be appritiated, as I am losing my mind on this.

thanks,

-bill


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