diff -r cb88c0c8ddfa -r b1e442d9a1bc src/js/layout.js
--- a/src/js/layout.js	Wed Dec 21 10:56:09 2011 +0100
+++ b/src/js/layout.js	Wed Dec 21 16:06:41 2011 +0100
@@ -51,8 +51,8 @@
     if (typeof(stem) === "undefined")
        stem = "";
 
-    var newDiv = Popcorn.guid(this._div + "_widget_" + stem + "_");
-    var spacerDiv = Popcorn.guid("LdtPlayer_spacer_");
+    var newDiv = IriSP.guid(this._div + "_widget_" + stem + "_");
+    var spacerDiv = IriSP.guid("LdtPlayer_spacer_");
     this._widgets.push(newDiv);
 
     var divTempl = "<div id='{{id}}' style='width: {{width}}px; position: relative;'></div";