Some canges in the tutorial section
diff --git a/public/js/tutorialCookie.js b/public/js/tutorialCookie.js
new file mode 100644
index 0000000..0ae1b1d
--- /dev/null
+++ b/public/js/tutorialCookie.js
@@ -0,0 +1,46 @@
+function setTutorialPage(obj) {
+  var page = obj;
+  if (typeof page != 'string') {
+    page = window.location.pathname + window.location.search;
+    for (i = 1; i < 5; i++) {
+      if (obj.nodeName === 'SECTION') {
+	if (obj.hasAttribute('id'))
+	  page += '#' + obj.getAttribute('id');
+	break;
+      }
+      else if (obj.nodeName === 'PRE' && obj.hasAttribute('id')) {
+	page += '#' + obj.getAttribute('id');
+	break;
+      }
+      else {
+	obj = obj.parentNode;
+      };
+    };
+  };
+  document.cookie = 'tutorial_page=' + page + '; path=/'; 
+};
+
+function getTutorialPage() {
+  var pc = 'tutorial_page';
+  var c_value = document.cookie;
+  console.log("Found cookie " + c_value);
+
+  var c_start = c_value.indexOf(" " + pc + "=");
+  if (c_start == -1)
+    c_start = c_value.indexOf(pc + "=");
+  
+  if (c_start == -1) {
+    c_value = '/tutorial?embedded=1';
+  }
+  else {
+    c_start = c_value.indexOf("=", c_start) + 1;
+    var c_end = c_value.indexOf(";", c_start);
+
+    if (c_end == -1)
+      c_end = c_value.length;
+
+    c_value = unescape(c_value.substring(c_start,c_end));
+  };
+console.log("got tutpage " + c_value);
+  return c_value;
+};