Update app.py

app.py

@@ -648,12 +648,24 @@ async(c, o, b, p, d, n, m)=>{
         document.getElementById("iframe3D").contentDocument.getElementById("coords").value = c;
         document.getElementById("iframe3D").contentDocument.getElementById("order").value = o;
         document.getElementById("iframe3D").contentDocument.getElementById("bgcolor").value = b;
-        if (document.getElementById("iframe3D").contentDocument.getElementById("bgimage").value.slice(-1) != ",") {
-          document.getElementById("iframe3D").contentDocument.getElementById("bgimage").value = p[n].image.url + ",";
-          document.getElementById("iframe3D").contentDocument.getElementById("bgdepth").value = d.background.url + ",";
-        } else {
-          document.getElementById("iframe3D").contentDocument.getElementById("bgimage").value += p[n].image.url + ",";
-          document.getElementById("iframe3D").contentDocument.getElementById("bgdepth").value += d.background.url + ",";
+
+        if (o.indexOf(""+n) < 0) {
+          if (o != "") { o += ","; }
+          o += n;
+        }
+        alert(o);
+        var o_ = o.split(",");
+        document.getElementById("iframe3D").contentDocument.getElementById("bgimage").value = "";
+        document.getElementById("iframe3D").contentDocument.getElementById("bgdepth").value = "";
+        for (var j=0; j<o_.length; j++) {
+          o_[j] = parseInt(o_[j]);
+          alert(o_[j]);
+          document.getElementById("iframe3D").contentDocument.getElementById("bgimage").value += p[o_[j]].image.url + ",";
+          if (o_[j] == n) {
+            document.getElementById("iframe3D").contentDocument.getElementById("bgdepth").value += d.background.url + ",";
+          } else {
+            document.getElementById("iframe3D").contentDocument.getElementById("bgdepth").value += m[o_[j]].url + ",";
+          }
         }
       }
       toggleDisplay("model");