--- a/nodejs/mbapp.js	Sat Nov 20 15:46:03 2010 +0800
+++ b/nodejs/mbapp.js	Sat Nov 20 20:04:31 2010 +0800
@@ -145,6 +145,34 @@
     }
 }
 
+
+app.prototype.changeScene=function(s) {
+    var nth;
+    if (typeof(s)=='number') {
+        var i;
+	nth = s;
+    } else {
+        nth = this.svg.getFrameNumber(s);
+	if (nth == -1) return;
+    }
+    var scenes = this.svg.scenes;
+    for(i=0;i<scenes.length;i++) {
+        try {
+            if (nth >=scenes[i].start && nth <=scenes[i].end) {
+	        this.get(scenes[i].ref).show();
+	    } else {
+	        this.get(scenes[i].ref).hide();
+	    }
+	} catch(e) {
+	    sys.puts(e);
+	    sys.puts(scenes[i].ref);
+	}
+    }
+}
+app.prototype.addSceneListener=function(n, cb) {
+    sys.puts("This is not implemented yet")
+}
+
 var app_with_win = function(display, win) {
     var self = this;
     var mb_rt;

--- a/nodejs/svg.js	Sat Nov 20 15:46:03 2010 +0800
+++ b/nodejs/svg.js	Sat Nov 20 20:04:31 2010 +0800
@@ -72,12 +72,16 @@
 	var n = nodes[k].name();
         if (n == "defs") {
             this.parseDefs(coord,nodes[k]);
+	} else if (n == "metadata") {
+	    this.parseMetadata(coord,nodes[k]);
         } else if (n == "g") {
             this.parseGroup(accu,coord,'root_coord',nodes[k]);
         } 
     }
 }
 
+
+
 loadSVG.prototype.leaveSVG=function()
 {
     var p = this.pgstack.pop();
@@ -104,6 +108,12 @@
 	name = mbname.value();
 	mb_rt.mbnames[name] = obj;
     }
+    try {
+        var gname = n.attr('id').value();
+        sys.puts(gname);
+        mb_rt.mbnames[gname] = obj;
+    } catch(e) {
+    }
 }
 
 function getInteger(n,name)
@@ -1117,7 +1127,8 @@
 	href = href.value();
 	var hrefid = href.substring(1);
 	pstops = this.stop_ref[hrefid];
-	stops = pstops.concat(stops);
+	if (pstops)
+	    stops = pstops.concat(stops);
 	
 	var hrefgr = this.gradients[hrefid];
 	if(typeof x1 == "undefined")
@@ -1191,6 +1202,44 @@
     this.stop_ref[id] = stops;
 }
 
+loadSVG.prototype.parseScenes=function(coord,node) {
+    var nodes = node.childNodes();
+
+    for(k in nodes) {
+        var name = nodes[k].name();
+	if (name == 'scene') {
+	    var node = nodes[k];
+
+	    scene = new Object();
+	    scene.start = parseInt(node.attr('start').value());
+	    try { 
+	        scene.end = parseInt(node.attr('end').value());
+	    } catch(e) {
+	        scene.end = scene.start;
+	    }
+	    scene.ref = node.attr('ref').value();
+
+	    try {
+	        this.scenenames[node.attr('name').value()] = scene.start;
+	    } catch(e) {
+	    }
+	    this.scenes.push(scene);
+	}
+    }
+}
+
+loadSVG.prototype.parseMetadata=function(coord,node) {
+    var nodes = node.childNodes();
+
+    for(k in nodes) {
+        var name = nodes[k].name();
+	if (name == 'scenes') {
+	    this.scenes=[];
+	    this.scenenames={};
+	    this.parseScenes(coord,nodes[k]);
+	}
+    }
+}
 loadSVG.prototype.parseDefs=function(root,n)
 {
     var k;