don't break new users by relying on undocumented hacks

The 'gofullscreen' element and 'unmute' cookies are hold-overs from
when this was written specifically for archive.org; I need to get them
to improve their code so that we can remove these rather than just
making them special cases.

Fixes #6

.be/2363771f-d1db-495b-a6b7-259458ee6316/bugs/4425122b-032a-438d-ad14-2c77af79a664/values

@@ -0,0 +1,50 @@
+{
+
+
+
+
+
+
+    "creator": "Daniel Brooks <db48x@db48x.net>", 
+
+
+
+
+
+
+    "reporter": "Daniel Brooks <db48x@db48x.net>", 
+
+
+
+
+
+
+    "severity": "minor", 
+
+
+
+
+
+
+    "status": "fixed", 
+
+
+
+
+
+
+    "summary": "hide the archive.org-specific hacks so that they don't break other users", 
+
+
+
+
+
+
+    "time": "Mon, 10 Oct 2016 19:21:07 +0000"
+
+
+
+
+
+
+}

.be/2363771f-d1db-495b-a6b7-259458ee6316/bugs/6f9252e5-86a9-4499-bd00-c5e07adbe07b/values

@@ -0,0 +1,50 @@
+{
+
+
+
+
+
+
+    "creator": "Daniel Brooks <db48x@db48x.net>", 
+
+
+
+
+
+
+    "reporter": "Daniel Brooks <db48x@db48x.net>", 
+
+
+
+
+
+
+    "severity": "minor", 
+
+
+
+
+
+
+    "status": "open", 
+
+
+
+
+
+
+    "summary": "add a status bar underneath the canvas to show cpu/disk state", 
+
+
+
+
+
+
+    "time": "Thu, 11 Aug 2016 16:57:53 +0000"
+
+
+
+
+
+
+}

.be/2363771f-d1db-495b-a6b7-259458ee6316/bugs/d30b009d-ba8f-43ac-8868-60291377294b/comments/b454c78f-8833-4183-8b0e-a80ba78372ed/body

@@ -0,0 +1,3 @@
+ReferenceError: jsmess_set_mastervolume is not defined
+http://localhost/emulators/jsmess/messexidy.js line 407 > eval
+Line 1

.be/2363771f-d1db-495b-a6b7-259458ee6316/bugs/d30b009d-ba8f-43ac-8868-60291377294b/comments/b454c78f-8833-4183-8b0e-a80ba78372ed/values

@@ -0,0 +1,29 @@
+{
+
+
+
+
+
+
+    "Author": "Daniel Brooks <db48x@db48x.net>", 
+
+
+
+
+
+
+    "Content-type": "text/plain", 
+
+
+
+
+
+
+    "Date": "Mon, 10 Oct 2016 19:24:31 +0000"
+
+
+
+
+
+
+}

.be/2363771f-d1db-495b-a6b7-259458ee6316/bugs/d30b009d-ba8f-43ac-8868-60291377294b/values

@@ -0,0 +1,50 @@
+{
+
+
+
+
+
+
+    "creator": "Daniel Brooks <db48x@db48x.net>", 
+
+
+
+
+
+
+    "reporter": "Alexandre Torres <alexandre.torres@gmail.com>", 
+
+
+
+
+
+
+    "severity": "minor", 
+
+
+
+
+
+
+    "status": "open", 
+
+
+
+
+
+
+    "summary": "Cannot run the arcade example", 
+
+
+
+
+
+
+    "time": "Mon, 10 Oct 2016 19:24:00 +0000"
+
+
+
+
+
+
+}

loader.js

@@ -142,13 +142,16 @@ var Module = null;
                                                           cfgr.fileSystemKey(game),
                                                           cfgr.nativeResolution(nr[0], nr[1]),
                                                           cfgr.aspectRatio(nr[0] / nr[1]),
-                                                          cfgr.sampleRate(SAMPLE_RATE),
-                                                          cfgr.muted(!(typeof $ !== 'undefined' && $.cookie && $.cookie('unmute')))];
+                                                          cfgr.sampleRate(SAMPLE_RATE)];
+
+                                           if (/archive\.org$/.test(document.location.hostname)) {
+                                             cfgr.muted(!(typeof $ !== 'undefined' && $.cookie && $.cookie('unmute')))
+                                           }
 
                                            if (module && module.indexOf("dosbox") === 0) {
-                                               config_args.push(cfgr.startExe(metadata.getElementsByTagName("emulator_start")
-                                                                                      .item(0)
-                                                                                      .textContent));
+                                             config_args.push(cfgr.startExe(metadata.getElementsByTagName("emulator_start")
+                                                                                    .item(0)
+                                                                                    .textContent));
                                            } else if (module && module.indexOf("sae-") === 0) {
                                              config_args.push(cfgr.model(modulecfg.driver),
                                                               cfgr.rom(modulecfg.bios_filenames));
@@ -730,7 +733,9 @@ var Module = null;
                                            e.gamepad.index, e.gamepad.id);
                              });
 
-     document.getElementById("gofullscreen").addEventListener("click", this.requestFullScreen);
+     if (/archive\.org$/.test(document.location.hostname)) {
+       document.getElementById("gofullscreen").addEventListener("click", this.requestFullScreen);
+     }
 
      var css_resolution, scale, aspectRatio;
      // right off the bat we set the canvas's inner dimensions to