Rails - Jul 2006 - Ajax and observe_field not updating specified DIV

I have a page that has a dropdown which i''m using observe_field on to 
make an ajax call back to my controller.  The page initially displays 
fine. The method is invoked in my controller when i select a choice in 
the dropdown and I have an rjs file which is then invoked.  The rjs file 
looks like this:

page.replace_html ''embed_calendar'', :partial =>
''shared/calendar'', :year
=> 2006, :month => 5, :table_class => "calendar_helper"

So, I''m assuming that the _calendar.rhtml will be rendered in the 
embed_calendar div.

My controller uses a template called main so i have a main.rhtml which 
has multiple partials in it for various sections of the page - all with 
their own divs.  Then I have @content_for_layout in it as well.  This is 
where my index.rhtml is initially rendered - it looks like this:


<div id="main_content">
    <%= start_form_tag(:action => "add") %>
    <div id="junk">
        <h1>my calendar</h1>
        <%= select(:month, :id, 
[[''January'',1],[''February'',2],[''March'',3],
                               
[''April'',4],[''May'',5],[''June'',6],
                               
[''July'',7],[''August'',8],[''September'',9],
                               
[''October'',10],[''November'',11],[''December'',12]]
, {:selected => @month})
        %>
        <%= select(:year, :id, 
[[''2005'',2005],[''2006'',2006],[''2007'',2007],
                               
[''2008'',2008],[''2009'',2009],[''2010'',2010]],
{:selected => @year})
        %>
        <%= observe_field   ''month_id'',
                            :update => ''main_content'',
                            :url => { :controller =>
''calendar'', :action
=> ''modify_month_view''} %>
        <%= observe_field   ''year_id'',
                            :update => ''main_content'',
                            :url => { :controller =>
''calendar'', :action
=> ''modify_year_view''} %>
    </div>
        <div id="embed_calendar">
            <%= render(:partial => "shared/calendar") %>
        </div>
				<%= end_form_tag %>
</div>


So when the rjs attempts to write the _calendar partial to the 
embed_calendar div - what it looks like it does is write it to the 
@content_for_layout section of my main.rhtml.  I''ve used the DOM 
inspector and saw that this is what it did.  So my first question is why 
does the rjs not really update the DOM in the div which i specified and 
second why does it display the page like its text like this:

ry { Element.update("embed_calendar", " \n\t\t\t\t
\n\t\n\t\t\n\t\t\tNovember\n\t\t
\n\t\t\n\t\t\tSun\t\t\t	Mon\t\t\t	Tue\t\t\t	Wed\t\t\t	Thu\t\t\t 
Fri\t\t\t	Sat\t\t
\n\t


Thanks,

Jeff

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