1 files changed, 28 insertions, 0 deletions
diff --git a/ring/getid.js b/ring/getid.js
new file mode 100755
index 0000000..4aba45d
--- /dev/null
+++ b/ring/getid.js
@@ -0,0 +1,28 @@
+var urls;
+var id;
+
+fetch("./urls.txt").then(response => response.text()).then((data) => {
+    urls=data.split("\n");
+    process();
+})
+
+function process() {
+    var urlParams = new URLSearchParams(window.location.search); 
+    id=urlParams.get('id');
+
+    if (!urlParams.has('id') || id.isNaN || id==0){
+        id=-1;
+        var ref=document.referrer.replace(/[^/]*$/, '');
+
+        for (var i=0;i<urls.length;i++){
+            if (urls[i]==ref || urls[i]+"/"==ref){
+                id=i;
+                break;
+            }//end if
+        }//next
+        //console.log(document.referrer+" "+ref+" "+id);
+    }else{
+        id--;
+    }//end if
+    activate();
+}//
+\ No newline at end of file