Make an html link update several dom elements at the same time.
<a href="#" onClick="<%= remote_function(:update => 'fashion1', :url => { :action => :get_fashion_for_color, :color_name => color_name, :number => 1 })%>;
<%= remote_function(:update => 'fashion2', :url => { :action => :get_fashion_for_color, :color_name => color_name, :number => 2 })%>;
<%= remote_function(:update => 'fashion3', :url => { :action => :get_fashion_for_color, :color_name => color_name, :number => 3 })%>;
return false;">