Problem popup

hello list.

I use popup in my project

<%= link_to image_tag("edit.png"), edit_mercado_path(mercado), :popup =>['subjects', 'width=500,height=500,toolbar=no,titlebar=no,status=no,left=500,top=300, scrollbars=yes']%>

I want that update method finish this new window (popup) close and
refresh the father window

now I use javascript to close window

<%= submit_tag "Aceptar" :onclick=>"window.close();" %>

but I want user render :update but this don´t run

I put this

def update

render :update do |page|
page << opener.$(‘contenerabajo’)
page << eval(window.close():wink:


any idea???
thanks for all