## profiles_controller.rb

# PUT /profiles/1
  # PUT /profiles/1.xml
  def update
		@profile = Profile.find(@user)

		respond_to do |format|

			if @profile.update_attributes(params[:profile])

					@params = params[:form]
					if @params == "avatar"

						format.js do
			      	  		responds_to_parent do
				      	      	render :update do |page|
				      	        	page["avatar_form"].toggle
							 		page["avatar"].replace :partial => 'profiles/avatar'
							  	end
							end
						end

				    else

				         format.js do
					       	   render :update do |page|
						      	     page["#{@params}_form"].toggle
									 page["#{@params}"].replace :partial => @params
							   end
				       	 end

					end
			        format.html { render :action => "edit" }
			        format.xml  { render :xml => @profile.errors, :status => :unprocessable_entity }

			end

		end
  end


##form

<div id="avatar_form">
		<% remote_form_for :profile,
						   :url => formatted_user_profile_path(@user, :js, :form => "avatar"),
						   :html => {
						   			:multipart => true,
						   			:target => "upload_frame",
						   			:method => :put
						   			} do |f| %>
			<%= f.file_field :avatar %>
			<%= submit_tag "Upload" %>
		<% end %>

		<iframe id="upload_frame" name="upload_frame" style="width:1px;height:1px;border:0px" src="about:blank"></iframe>
	</div>