diff --git a/static/js/shortcut.js b/static/js/shortcut.js
index abece38..e1bf225 100644
--- a/static/js/shortcut.js
+++ b/static/js/shortcut.js
@@ -29,6 +29,14 @@ function checkCount() {
     return false;
 }
 
+function check(choice) {
+    value = checkedGroups[0];
+    removeId();
+    getid = choice+value;
+    document.getElementById(getid).checked = true;
+    checkCount();
+}
+
 window.addEventListener("keydown", function (event) {
     if (event.defaultPrevented) {
         return;
@@ -40,18 +48,10 @@ window.addEventListener("keydown", function (event) {
 
     switch (event.key) {
         case "a":
-            value = checkedGroups[0];
-            removeId();
-            getid = 'a'+value;
-            document.getElementById(getid).checked = true;
-            checkCount();
+            check("a");
             break;
         case "b":
-            value = checkedGroups[0];
-            removeId();
-            getid = 'b'+value;
-            document.getElementById(getid).checked = true;
-            checkCount();
+            check("b");
             break;
         default:
             checkCount();