Ajax with layout templates

[AN@S]

Hello,
Here is the situation:

I have a List action that lists items for me (scaffold generated), now I need to the destroy method to be ajaxed, I wrote the following:

<%=link_to_remote ('Destroy',
                            :update => "main", 
                            :url => {:action => 'destroy', :id => @category},
                            :confirm => 'Are you sure?',
                            :post => true,
                            :loading => "document.getElementById('loading').style.display='inline'",
                            :loaded => "document.getElementById('loading').style.display='none'")%>

OK, everything's going fine except that destroy method must -of course- redirect the page to the list action:

def destroy
    Category.find(params[:id]).destroy
    redirect_to :action => 'list'

Now the problem is that layout is regenerated for the list action after the redirect so I get a doubled layout with the page. I may not except the list method from the layout because it will not show the page layout when listing items.

I have searched the rails documentation and found this:
render :action => "list", :layout => false

But this didn't work, it caused an error.

Do you suggest some other solution?