1 files changed, 19 insertions, 0 deletions
diff --git a/src/js/chair.js b/src/js/chair.js
new file mode 100644
index 0000000..ceed88c
--- /dev/null
+++ b/src/js/chair.js
@@ -0,0 +1,19 @@
+var left = 0;
+var right = 0;
+
+module.exports = {
+    update_left: function() {
+        document.getElementById('LeftChair').setAttribute('value', left);
+    },
+    left: function() {
+        left = (left + 1) % 3;
+        this.update_left();
+    },
+    update_right: function() {
+        document.getElementById('RightChair').setAttribute('value', right);
+    },
+    right: function() {
+        right = (right + 1) % 3;
+        this.update_right();
+    },
+}
+\ No newline at end of file