diff -r d09df952fd81 -r b3ccfdbd581b web/res/metadataplayer/Trace.js
--- a/web/res/metadataplayer/Trace.js	Tue Jun 26 19:14:44 2012 +0200
+++ b/web/res/metadataplayer/Trace.js	Tue Jul 03 18:17:17 2012 +0200
@@ -9,7 +9,8 @@
     js_console : false,
     url: "http://traces.advene.org:5000/",
     requestmode: 'GET',
-    syncmode: "sync"
+    syncmode: "sync",
+    default_subject: "IRI"
 }
 
 IriSP.Widgets.Trace.prototype.draw = function() {
@@ -49,7 +50,8 @@
     this.tracer = window.tracemanager.init_trace("test", {
         url: this.url,
         requestmode: this.requestmode,
-        syncmode: this.syncmode
+        syncmode: this.syncmode,
+        default_subject: this.default_subject
     });
     this.tracer.trace("StartTracing", {});