diff --git a/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/+page@(launcher).svelte b/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/+page@(launcher).svelte
index 069fe4ef..d8a16216 100644
--- a/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/+page@(launcher).svelte
+++ b/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/+page@(launcher).svelte
@@ -127,24 +127,26 @@ let bi_trig__event_location: any = null;
 let bi_id_li__event_location: string[] = [];
 // $: if ($events_trigger == 'event_location_li' && $events_slct.event_location_obj_li && $events_slct.event_location_obj_li.length > 0) {
 // $: if (bi_trig__event_location == 'event_location_li' && $events_slct.event_location_obj_li && $events_slct.event_location_obj_li.length > 0) {
-$: if (ae_acct.trig.event_location_obj_li) {
-    console.log(`$events_slct.event_location_obj_li:`, $events_slct.event_location_obj_li);
-    // $events_trigger = null;
-    bi_trig__event_location = null;
+// $: if ($events_slct.event_location_obj_li) {
+//     console.log(`$events_slct.event_location_obj_li:`, $events_slct.event_location_obj_li);
+//     // $events_trigger = null;
+//     bi_trig__event_location = null;
 
-    bi_id_li__event_location = [];
+//     bi_id_li__event_location = [];
 
-    let tmp_li = []; // This is to prevent the array from constantly updating and triggering the liveQuery.
+//     let tmp_li = []; // This is to prevent the array from constantly updating and triggering the liveQuery.
 
-    for (let i = 0; i < $events_slct.event_location_obj_li.length; i++) {
-        let event_location_obj = $events_slct.event_location_obj_li[i];
-        let event_location_id_random = event_location_obj.event_location_id_random;
-        tmp_li.push(event_location_id_random);
-    }
-    bi_id_li__event_location = tmp_li;
-    console.log(`bi_id_li__event_location:`, bi_id_li__event_location);
-    $events_slct.id_li__event_location = bi_id_li__event_location;
-}
+//     for (let i = 0; i < $events_slct.event_location_obj_li.length; i++) {
+//         let event_location_obj = $events_slct.event_location_obj_li[i];
+//         let event_location_id_random = event_location_obj.event_location_id_random;
+//         tmp_li.push(event_location_id_random);
+//     }
+//     bi_id_li__event_location = tmp_li;
+//     console.log(`bi_id_li__event_location:`, bi_id_li__event_location);
+//     $events_slct.id_li__event_location = bi_id_li__event_location;
+
+//     $events_slct.event_location_obj_li = ae_acct.slct.event_location_obj_li;
+// }
 
 let bi_trig__event_session: any = null;
 let bi_id_li__event_session: string[] = [];
@@ -215,7 +217,7 @@ let lq__event_session_obj_li = liveQuery(
 
 let lq_get__event_session_obj_li = liveQuery(
     () => db_events.sessions
-        .bulkGet($events_slct.id_li__event_session ?? [''])
+        .bulkGet($events_slct.id_li__event_session)
 );
 
 
@@ -286,25 +288,17 @@ onMount(() => {
         Loading location list... a
     {:then event_location_obj_li}
     <!-- {#if $lq__event_obj && $lq_get__event_location_obj_li && $lq_get__event_session_obj_li && event_location_obj_li && event_location_obj_li.length > 0} -->
-    {#if $lq__event_obj && bi_id_li__event_location && bi_id_li__event_location.length > 0}
+    {#if $lq__event_obj && $events_slct.event_location_obj_li}
     <Event_launcher_menu
-        slct_event_location_id={$events_loc.launcher.slct.event_location_id}
+        data_url={data.url}
         slct_event_session_id={$events_loc.launcher.slct.event_session_id}
 
-        bind:bi_trig__event_location={bi_trig__event_location}
-        bind:bi_id_li__event_location={bi_id_li__event_location}
-
-        event_location_obj_li={event_location_obj_li}
-
-        dq__event_obj={$lq__event_obj}
-        dq__where_type_id_val={'event_id'}
-        bind:dq__where_eq_id_val={$events_slct.event_id}
+        lq__event_obj={lq__event_obj}
 
         lq__event_location_obj={lq__event_location_obj}
-        lq__event_location_obj_li={lq__event_location_obj_li}
         lq_get__event_location_obj_li={lq_get__event_location_obj_li}
+
         lq__event_session_obj={lq__event_session_obj}
-        lq__event_session_obj_li={lq__event_session_obj_li}
         lq_get__event_session_obj_li={lq_get__event_session_obj_li}
         >
     </Event_launcher_menu>
diff --git a/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/launcher_menu.svelte b/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/launcher_menu.svelte
index 6c1f295f..751b6b88 100644
--- a/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/launcher_menu.svelte
+++ b/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/launcher_menu.svelte
@@ -1,5 +1,6 @@
 <script lang="ts">
 import { tick } from 'svelte';
+import { goto } from '$app/navigation';
 
 import type { key_val } from '$lib/ae_stores';
 import { ae_util } from '$lib/ae_utils';
@@ -17,21 +18,22 @@ import { events_func } from '$lib/ae_events_functions';
 
 import Menu_session_list_menu from './menu_session_list.svelte';
 
+export let data_url: any;
 // export let slct_event_id: string;
-export let slct_event_location_id: string;
+let slct_event_location_id: string;
 export let slct_event_session_id: null|string;
 
-export let bi_trig__event_location: any;
-export let bi_id_li__event_location: string[] = [];
-export let event_session_id_li: string[] = [];
+// export let bi_trig__event_location: any;
+// export let bi_id_li__event_location: string[] = [];
+// export let event_session_id_li: string[] = [];
 
-export let event_location_obj_li: any[] = [];
+// export let event_location_obj_li: any[] = [];
 
-export let dq__event_obj: any
-export let dq__where_type_id_val: string = 'event_id';
-export let dq__where_eq_id_val: string;
+// export let dq__event_obj: any
+// export let dq__where_type_id_val: string = 'event_id';
+// export let dq__where_eq_id_val: string;
 
-console.log(`bi_id_li__event_location:`, bi_id_li__event_location);
+// console.log(`bi_id_li__event_location:`, bi_id_li__event_location);
 
 $events_trigger = null;
 
@@ -45,11 +47,12 @@ $events_trigger = null;
 // bi_id_li__event_location = tmp_li;
 // console.log(`bi_id_li__event_location:`, bi_id_li__event_location);
 
+export let lq__event_obj: any;
 export let lq__event_location_obj: any;
-export let lq__event_location_obj_li: any;
+// export let lq__event_location_obj_li: any;
 export let lq_get__event_location_obj_li: any;
 export let lq__event_session_obj: any;
-export let lq__event_session_obj_li: any;
+// export let lq__event_session_obj_li: any;
 export let lq_get__event_session_obj_li: any;
 
 // let lq__event_location_obj_li = liveQuery(
@@ -96,6 +99,8 @@ if ($ae_loc.administrator_access) {
     qry__hidden = 'not_hidden';
 }
 
+let ae_promises: key_val = {};
+
 let load_obj_li__event_session: any = {};
 // $: if (event_location_id) {
 //     console.log(`event_location_id:`, event_location_id);
@@ -173,24 +178,40 @@ let load_obj_li__event_session: any = {};
 </script>
 
 
-<h2 class="">{dq__event_obj?.cfg_json.short_name ?? 'loading...'}</h2>
-
+<section>
+<h2 class="">{$lq__event_obj?.cfg_json.short_name ?? 'loading...'}</h2>
 {#if $lq_get__event_location_obj_li && $lq_get__event_location_obj_li.length > 0}
 <strong class="text-sm">
     Locations:
     {#if $ae_loc.administrator_access}
         ({$lq_get__event_location_obj_li?.length})
     {/if}
+    {#await ae_promises[slct_event_location_id]}
+        <span class="fas fa-spinner fa-spin text-blue-500"></span>
+    {:then result}
+        <span class="fas fa-check text-green-500"></span>
+    {/await}
 </strong>
 <select
-    class="select text-sm"
+    class="select text-xs p-1"
     bind:value={slct_event_location_id}
     on:change={async () => {
         // console.log(`slct_event_location_id:`, slct_event_location_id);
 
+        console.log('Remove the passcode from the URL.');
+        data_url.searchParams.delete('location_id');
+        data_url.searchParams.delete('presentation_id');
+        data_url.searchParams.delete('presenter_id');
+        data_url.searchParams.delete('session_id');
+
+        // let url_location_id = slct_event_location_id;
+        // data_url.searchParams.set('location_id', url_location_id);
+
         if (slct_event_location_id) {
             $events_loc.launcher.slct.event_location_id = slct_event_location_id;
             console.log(`$events_loc.launcher.slct.event_location_id:`, $events_loc.launcher.slct.event_location_id);
+            data_url.searchParams.set('location_id', slct_event_location_id);
+            // await tick();
 
             // $events_slct.event_location_id = slct_event_location_id;
 
@@ -209,8 +230,8 @@ let load_obj_li__event_session: any = {};
             // $events_trigger = 'event_location_li';
 
             $events_slct.id_li__event_session = [];
-            await tick();
-            load_obj_li__event_session = events_func.handle_load_ae_obj_li__event_session({
+            // await tick();
+            ae_promises[slct_event_location_id] = events_func.handle_load_ae_obj_li__event_session({
                 api_cfg: $ae_api,
                 for_obj_type: 'event_location',
                 for_obj_id: $events_loc.launcher.slct.event_location_id,
@@ -221,7 +242,7 @@ let load_obj_li__event_session: any = {};
             .then(async function (load_results) {
                 console.log(`load_results = `, load_results);
 
-                event_session_id_li = [];
+                let event_session_id_li = [];
 
                 let tmp_li = []; // This is to prevent the array from constantly updating and triggering the liveQuery.
 
@@ -233,7 +254,8 @@ let load_obj_li__event_session: any = {};
                 event_session_id_li = tmp_li;
                 console.log(`event_session_id_li:`, event_session_id_li);
                 $events_slct.id_li__event_session = event_session_id_li;
-                await tick();
+                $events_slct = {...$events_slct};
+                // await tick();
 
                 return load_results;
             });
@@ -241,10 +263,14 @@ let load_obj_li__event_session: any = {};
         } else {
             // This will hide the selected session if the location is changed to false.
             // WARNING: This may need to be commented out later.
-            slct_event_session_id = null;
+            // slct_event_session_id = null;
             $events_loc.launcher.slct.event_session_id = null;
             // WARNING: This may need to be commented out later.
         }
+
+        let new_url = data_url.toString()
+        console.log(new_url);
+        goto(new_url, {replaceState: false});
     }}
     >
     <option value="">Select a location</option>
@@ -259,24 +285,20 @@ let load_obj_li__event_session: any = {};
 {:else}
 <p class="text-sm">
     No locations found.
-    Event ID: {dq__event_obj.id}
+    Event ID: {$lq__event_obj?.id}
 </p>
 {/if}
-<!-- {slct_event_location_id} -->
 
+</section>
 
-
-<!-- {#await lq_get__event_session_obj_li}
-<p>Loading sessions...</p>
-{:then lq_get__event_session_obj_li} -->
-Sessions:
+<section>
 {#if lq_get__event_session_obj_li}
 <Menu_session_list_menu
+    data_url={data_url}
     bind:slct_event_session_id={slct_event_session_id}
     lq_get__event_session_obj_li={lq_get__event_session_obj_li}
     />
 {/if}
+</section>
 
 <!-- {/await} -->
-
-<!-- {$events_slct.event_session_id} -->
\ No newline at end of file
diff --git a/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/menu_session_list.svelte b/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/menu_session_list.svelte
index 7a59de17..2032429d 100644
--- a/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/menu_session_list.svelte
+++ b/src/routes/events_pres_mgmt/(launcher)/launcher/[slug]/menu_session_list.svelte
@@ -1,13 +1,15 @@
 <script lang="ts">
 import { tick } from 'svelte';
-import { liveQuery } from "dexie";
-import { db_events } from "$lib/db_events";
+import { goto } from '$app/navigation';
+// import { liveQuery } from "dexie";
+// import { db_events } from "$lib/db_events";
 import { ae_snip, ae_loc, ae_sess, ae_api, ae_trig, slct, slct_trigger } from '$lib/ae_stores';
 import { events_loc, events_sess, events_slct, events_trigger } from '$lib/ae_events_stores';
 import { events_func } from '$lib/ae_events_functions';
 
+export let data_url: any;
 export let slct_event_session_id: any;
-export let event_session_id_li: Array<string> = [''];
+// export let event_session_id_li: Array<string> = [''];
 
 export let lq_get__event_session_obj_li: any;
 
@@ -38,36 +40,42 @@ export let lq_get__event_session_obj_li: any;
     {/if}
 </strong>
 <ul
-    class="space-y-1 px-0"
+    class="space-y-1"
     >
     {#each $lq_get__event_session_obj_li as event_session_obj}
         <li>
         <button
-            class="btn btn-sm variant-ghost-primary hover:variant-filled-primary overflow-hidden text-xs w-full max-w-full text-left transition-all"
+            class="btn btn-sm variant-ghost-primary hover:variant-filled-primary overflow-hidden text-xs w-full max-w-full text-left transition-all rounded-md"
             on:click={async () => {
 
-                $events_loc.launcher.slct.event_session_id = null;
-                await tick();
+
+                // $events_loc.launcher.slct.event_session_id = null;
+                // await tick();
                 $events_loc.launcher.slct.event_session_id = event_session_obj?.id;
+                data_url.searchParams.set('session_id', event_session_obj?.id);
                 // $events_loc = $events_loc;
 
-                $events_trigger = null;
-                slct_event_session_id = null;
-                $events_slct.event_session_id = null;
+                // $events_trigger = null;
+                // slct_event_session_id = null;
+                // $events_slct.event_session_id = null;
                 // dq__where_type_id_val = 'event_session_id';
                 // dq__where_eq_id_val = event_session_obj.id;
                 // $events_slct = {...$events_slct};
                 $events_slct.event_session_id = event_session_obj?.id;
                 $events_slct.event_session_obj = event_session_obj;
-                slct_event_session_id = event_session_obj?.id;
-                $events_trigger = 'load__event_session_obj';
+                // slct_event_session_id = event_session_obj?.id;
+                // $events_trigger = 'load__event_session_obj';
 
                 let load_event_session_obj = events_func.handle_load_ae_obj_id__event_session({
                     api_cfg: $ae_api,
                     event_session_id: slct_event_session_id,
                     try_cache: true
                 });
-            }}
+
+                let new_url = data_url.toString()
+                    console.log(new_url);
+                    goto(new_url, {replaceState: false});
+                }}
             >
             {event_session_obj?.name}
         </button>