diff --git a/src/js/classes.js b/src/js/classes.js
new file mode 100644
index 0000000..c21d648
--- /dev/null
+++ b/src/js/classes.js
@@ -0,0 +1,26 @@
+/* This file will contain all classes */
+export class ItemListBox {
+
+  constructor() {
+    console.log("ItemListBox is created");
+  }
+
+  assignElements(worldData) {
+    this.worldData = worldData; /* array of .id */
+  }
+
+}
+
+
+export class DataChecker {
+
+  constructor(saveFile, section) {
+    this.saveFile = saveFile;
+    this.section = section;
+    this.entries = section.entries;
+    this.playerData = saveFile.playerData;
+    this.boolData = saveFile.sceneData.persistentBoolItems;
+    this.geoRocksData = saveFile.sceneData.geoRocks;
+  }
+
+}
\ No newline at end of file
diff --git a/src/js/page.js b/src/js/page.js
deleted file mode 100644
index e57cfeb..0000000
--- a/src/js/page.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/* This file will contain all classes and functions for creating things on the page */
-export class ItemListBox {
-
-  constructor() {
-    console.log("ItemListBox is created");
-  }
-
-  assignElements(worldData) {
-    this.worldData = worldData; /* array of .id */
-  }
-
-}
\ No newline at end of file