more button works according to categories

lib/orbit_app/helper/default_widget_tag_helper.rb

@@ -12,10 +12,11 @@ module DefaultWidgetTagHelper
       if param.is_a?(Array) and !param.blank?
         params_str << param.collect{|t| "#{index}[]=#{t}"}.join("&")
         params.delete index
+        params_str = params_str + "&"
       end
     end  
-    
     params_str = params_str + (params_str.eql?("?") ? params.to_param : "&#{params.to_param}" )
+    params_str = params_str + "&click=more_btn&page_part_id=#{@params[:part_id]}"
       content_tag :div,:class=> 'more' do 
   	 link_to I18n.t(@more_link[:label_i18n]),[eval("#{@more_link[:path_method]}"),params_str].join()
       end

lib/parsers/parser_front_end.rb

@@ -19,12 +19,12 @@ module ParserFrontEnd
   end
 
   def parse_page_content(page,args={})
+
      args["category_id"] = args["category_id"].gsub(/\"|\[|\]/,'').split(",").each(&:strip!) if !args["category_id"].blank? and args["category_id"].is_a?(String)
      args["tag_id"] = args["tag_id"].gsub(/\"|\[|\]/,'').split(",").each(&:strip!) if  !args["tag_id"].blank? and args["tag_id"].is_a? String
     # tag = params[:tag_id].blank? ? page[:tag] : params[:tag_id]
     # category = params[:category_id].blank? ? page[:category] : params[:category_id]
     body = Nokogiri::HTML(page.content)
-
     if @edit
       body.css('.page_part').each do |page_part|
         part = PagePart.find(page_part['part_id']) rescue nil
@@ -41,6 +41,7 @@ module ParserFrontEnd
     end
 
     body.css('orbit_front').each do |front|
+
       if front['value']
         fragment = Nokogiri::HTML::DocumentFragment.new(body, "<div id='#{front['id']}' class='#{front['class']}'>#{eval(front['value']).to_s}</div>")
       else