diff --git a/1.html b/1.html
new file mode 100644
index 000000000..7f812877a
--- /dev/null
+++ b/1.html
@@ -0,0 +1,6 @@
+
+
+ DEMO
+
+
+
diff --git a/2.html b/2.html
new file mode 100644
index 000000000..d604ce72b
--- /dev/null
+++ b/2.html
@@ -0,0 +1,6 @@
+
+
+ 2nd html
+
+
+
diff --git a/4.html b/4.html
new file mode 100644
index 000000000..359cebc4d
--- /dev/null
+++ b/4.html
@@ -0,0 +1,6 @@
+
+
+ fourth html
+
+
+
diff --git a/src/lab/exp6/Manual.html b/src/lab/exp6/Manual.html
index 8693014b6..f44b847f2 100644
--- a/src/lab/exp6/Manual.html
+++ b/src/lab/exp6/Manual.html
@@ -43,7 +43,7 @@
- 
+
@@ -63,7 +63,7 @@