try downloadSystem function

test/dropdowns.js

@@ -1,29 +1,32 @@
+let downloadSystem = (v, d) => {
+    return {version: v, download: d};
+}
+
 let versionObject64 = {
     "Infdev": {
-        "Infdev 20100227 (Maxxx)": {
-            "v1": "./mods/64bit/infdev/inf-20100227/minecraft-inf-20100227-v1-maxxx.zip",
-        },
-        "Infdev 20100313 (RVH)": {
+        "Infdev 20100227 (Maxxx)": [
+            downloadSystem("v1","./mods/64bit/infdev/inf-20100227/minecraft-inf-20100227-v1-maxxx.zip"),
+        ],
+        "Infdev 20100313 (RVH)": [
             // Todo: add notes system
-            "v0.0.1": "./mods/64bit/infdev/inf-20100313/inf313_long_0.0.1.zip",
-            "v0.0.2": "./mods/64bit/infdev/inf-20100313/inf313_long_0.0.2.zip",
-            "v0.0.3": "./mods/64bit/infdev/inf-20100313/inf313_long_0.0.3.zip"
-        },
-        "Infdev 20100325 (Maxxx)": {
-
-        },
-        "Infdev 20100330 (Zero)": {
-
-        },
-        "Infdev 20100414 (314rft)": {
-
-        },
-        "Infdev 20100420 (314rft, Zero)": {
-
-        },
-        "Infdev 20100624 (314rft)": {
-
-        },
+            {
+                version: "v0.0.1",
+                download: "./mods/64bit/infdev/inf-20100313/inf313_long_0.0.1.zip",
+            },
+            {
+                version: "v0.0.2",
+                download: "./mods/64bit/infdev/inf-20100313/inf313_long_0.0.2.zip",
+            },
+            {
+                version: "v0.0.3",
+                download: "./mods/64bit/infdev/inf-20100313/inf313_long_0.0.3.zip"
+            }
+        ],
+        "Infdev 20100325 (Maxxx)": [],
+        "Infdev 20100330 (Zero)": [],
+        "Infdev 20100414 (314rft)": [],
+        "Infdev 20100420 (314rft, Zero)": [],
+        "Infdev 20100624 (314rft)": [],
     },
     "Alpha": {
         "Alpha v1.0.1_01 (Zeta and Zero)": [
@@ -46,5 +49,5 @@ function onchangeDropdown(value) {
 
 function onchangeDownloads(value) {
     for (let i = 0; i < value.length; i++)
-        document.getElementById("downloads64-box").innerHTML += "<a href=" + value[i].download + ">" + value[i].version + "</a>";
+        document.getElementById("downloads64-box").innerHTML += "<a href=" + value[i].download + ">" + value[i].version + "</a><br />";
 }