diff --git a/back.js b/common/back.js
old mode 100644
new mode 100755
similarity index 100%
rename from back.js
rename to common/back.js
diff --git a/items.js b/common/items.js
old mode 100644
new mode 100755
similarity index 100%
rename from items.js
rename to common/items.js
diff --git a/worker.js b/common/worker.js
old mode 100644
new mode 100755
similarity index 100%
rename from worker.js
rename to common/worker.js
diff --git a/index.html b/index.html
index 7ca1db3..d95fb2e 100644
--- a/index.html
+++ b/index.html
@@ -10,8 +10,8 @@
-
-
+
+