--- trunk/tntnet/dynamic/temperaturegraph.ecpp	2007/12/02 20:26:43	126
+++ trunk/tntnet/dynamic/temperaturegraph.ecpp	2007/12/08 19:19:07	196
@@ -17,6 +17,8 @@
 int id;
 </%args>
 <{
+reply.setHeader("Cache-Control", "no-cache, must-revalidate"); // Http/1.1
+reply.setHeader("Expires",  "Mon, 26 Jul 1997 05:00:00 GMT"); //date in the past
 
 GD::Image image;
 image.CreateTrueColor( GD::Size(600,360));
@@ -49,7 +51,7 @@
 /////////////////////////////////////////////////
 
 
-tntdb::Connection conn = tntdb::connect(dburl);
+tntdb::Connection conn = tntdb::connectCached(dburl);
 
 std::stringstream query;
 query << "SELECT temperature FROM ( ";
@@ -84,7 +86,7 @@
 // echo the image to the browser...
 reply.setContentType("image/png");
 int size;
-unsigned char* ptr = (unsigned char*) image.Png(&size);
+unsigned char* ptr = (unsigned char*) image.Png(&size,1);
 
 for (int i=0; i<size; ++i)
 	reply.out() << ptr[i];