make a more general disableVolatileLinks rather than disableSavesAndInventory mechanism. Also adds a check for localInitGame in initGame to allow for game specific customizations

diff --git a/js/game.js b/js/game.js
index ba6238f..5b32ca1 100644
--- a/js/game.js
+++ b/js/game.js
@@ -413,7 +413,9 @@ function addListenersAnchors(anchors)
     }
 }
 /**
- * Used to disable any links to save or inventory pages
+ * Used to disable any volatile links which might cause
+ * issues if clicked during rendering of the staging
+ * portion of a presentation. For example, saves screen links
  * in either the main-nav panel/main-nav bar or in the
  * game content area. The current place where this is used
  * is at the start of rendering a location. A location
@@ -424,33 +426,29 @@ function addListenersAnchors(anchors)
  * Only after the last drawable x-present for a location
  * has completed are they renabled.
  */
-function disableSavesAndInventory()
+function disableVolatileLinks()
 {
-    let save_links = sel('[href~="#saves"]');
-    for (const save_link of save_links) {
-        save_link.classList.add('disabled');
-    }
-    let inventory_links = sel('[href~="#inventory"]');
-    for (const inventory_link of inventory_links) {
-        inventory_link.classList.add('disabled');
+    for (let location_id of game.volatileLinks()) {
+        let volatile_links = sel(`[href~="#${location_id}"]`);
+        for (const volatile_link of volatile_links) {
+            volatile_link.classList.add('disabled');
+        }
     }
 }
 /**
- * Used to re-enable any disabled links to save or inventory pages
+ * Used to re-enable any disabled volatile links
  * in either the main-nav panel/main-nav bar or in the
  * game content area. The current place where this is used
  * is at the end of rendering a location. For why this is called,
- * @see disableSavesAndInventory()
+ * @see disableVolatileLinks()
  */
-function enableSavesAndInventory()
+function enableVolatileLinks()
 {
-    let save_links = sel('[href~="#saves"]');
-    for (const save_link of save_links) {
-        save_link.classList.remove('disabled');
-    }
-    let inventory_links = sel('[href~="#inventory"]');
-    for (const inventory_link of inventory_links) {
-        inventory_link.classList.remove('disabled');
+    for (let location_id of game.volatileLinks()) {
+        let volatile_links = sel(`[href~="#${location_id}"]`);
+        for (const volatile_link of volatile_links) {
+            volatile_link.classList.remove('disabled');
+        }
     }
 }
 /**
@@ -581,7 +579,7 @@ class Location
      */
     async renderPresentation()
     {
-        disableSavesAndInventory();
+        disableVolatileLinks();
         let game_content = elt("game-content");
         game_content.innerHTML = "";
         game_content.scrollTop = 0;
@@ -616,7 +614,9 @@ class Location
         this.prepareControls();
         let anchors = sel("#game-content a, #game-content x-button");
         addListenersAnchors(anchors);
-        enableSavesAndInventory();
+        if (!game.volatileLinks().includes(mc().position)) {
+            enableVolatileLinks();
+        }
     }
     /**
      * Prepares input, textareas, and select tags in the game so that they can
@@ -913,6 +913,12 @@ class Game
      * @type {Boolean}
      */
     is_here;
+    /**
+     * List of id's of buttons and links to disable during the staging
+     * phases of rendering a presentation or when viewing those locations.
+     * @type {Array}
+     */
+    volatile_links = ['saves', 'inventory'];
     /**
      * Sets up a game object with empty history, an initialized main navigation,
      * and with objects and locations parsed out of the current HTML file
@@ -1588,6 +1594,16 @@ class Game
         let location = this.locations[position];
         location.renderPresentation();
     }
+    /**
+     * Return the array of link ids which should be disable while performing
+     * the staging of a presentation
+     *
+     * @return {Array}
+     */
+    volatileLinks()
+    {
+        return this.volatile_links;
+    }
 }
 /**
  * Module initialization function used to set up the game object corresponding
@@ -1610,4 +1626,11 @@ async function initGame()
     game.takeTurn("");
     game.clearHistory();
     game.initializeScreen();
+    /*
+      Any game specific customizations are assumed to be in the function
+      localInitGame if it exists
+     */
+    if (typeof localInitGame == 'function') {
+        localInitGame();
+    }
 }