diff --git a/.gitignore b/.gitignore
index 776e5b2..48ab09a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,7 +29,7 @@ jquery-ui_FULL
 effects/*
 !effects/celebration.xml
 !effects/blink.xml
-
+!effects/onoff.xml
 
 # =========================
 # Operating System Files
diff --git a/effects/onoff.xml b/effects/onoff.xml
new file mode 100644
index 0000000..f99d09a
--- /dev/null
+++ b/effects/onoff.xml
@@ -0,0 +1,15 @@
+<effect name="On Off" comment="Very simple effect : Turn on/off lights">
+	<var name="duration" value="0.5" />
+	<group id="0" on="false" />
+	<loop repeat="2">
+		<light id="1" on="true" />
+		<timer duration="$duration" />
+		<light id="1" on="false" />
+		<light id="2" on="true" />
+		<timer duration="$duration" />
+		<light id="2" on="false" />
+		<light id="3" on="true" />
+		<timer duration="$duration" />
+		<light id="3" on="false" />
+	</loop>
+</effect>