Fixit

vendor/plugins/bernard_gauge/lib/gauge_controller.rb

@@ -0,0 +1,29 @@
+class GaugeController < ApplicationController
+    def redraw_gauge
+        div = ""
+        value = ""
+        if params[:id] =~/item(\d+)/
+            div = "con#{$1}"
+        end
+
+        @parameters = {}
+        params[:parameters].split(";").each do |p|
+            tmp = p.split(/:/, 2)
+            @parameters[tmp[0]] = tmp[1]
+        end
+
+        unless @parameters["remote"] == "true"
+            tmp = File.open(@parameters["path"], 'r')
+            value = tmp.gets() 
+        else
+            Net::HTTP.start(@parameters["url"]) do |http|
+                resp = http.get("/#{@parameters["path"]}")
+                value = resp.body
+            end
+        end
+
+        render :update do |page|
+            page << "redrawGauge(#{value}, '#{div}')"
+        end
+    end
+end