Allow local browsing of the docs without a web server

docs/_assets/js/jqm-docs.js

@@ -30,7 +30,7 @@ $('div').live('pagecreate',function(event){
 //collapse page navs after use
 $(function(){
 	$('body').delegate('.content-secondary .ui-collapsible-content', 'click',  function(){
-		$(this).trigger("collapse")
+		$(this).trigger("collapse");
 	});
 });
 
@@ -52,4 +52,62 @@ function setDefaultTransition(){
 $(function(){
 	setDefaultTransition();
 	$( window ).bind( "throttledresize", setDefaultTransition );
-});
+});
+
+
+// Turn off AJAX for local file browsing
+if ( location.protocol.substr(0,4)  === 'file' ||
+     location.protocol.substr(0,11) === '*-extension' ||
+     location.protocol.substr(0,6)  === 'widget' ) {
+  $( function() {
+    // Check to see if ajax can be used. This does a quick ajax request and blocks the page until its done
+    // Start with links with only the trailing slash, and then move on to the ones that start with ..
+    $( "a" )
+      .filter( "[href='/']" ).attr( "href", "/index.html" ).end()
+      .filter( "[href^='..']" ).each(function() {
+        var href = $( this ).attr( "href" ),
+            append = "";
+
+        if ( href.substr(-2, 2) === '..' ) {
+          append = "/index.html";
+        }
+        else if ( href.substr(-1, 1) === '/' ) {
+          append = "index.html";
+        }
+        else if ( href.substr(-4, 4) !== 'html' ) {
+          append = "/index.html";
+        }
+        else if ( href.substr(-2, 2) === '..' ) {
+          append = "/index.html";
+        }
+
+        this.href = href + append;
+      });
+  });
+
+  // Check to see if ajax can be used. This does a quick ajax request and blocks the page until its done
+  $.ajax({
+    url: '.',
+    async: false,
+    isLocal: true
+  }).error(function() {
+    // Ajax doesn't work so turn it off
+    $( document ).bind( "mobileinit", function() {
+      $.mobile.ajaxEnabled = false;
+
+      var message = $( '<div>' , {
+            "class": "ui-footer ui-bar-e",
+            "style": "overflow: auto"
+          });
+
+      message
+        .append( "<h3>Note: Navigation may not work if viewed locally</h3>" )
+        .append( "<p>The AJAX-based navigation used throughout the jQuery Mobile docs may need to be viewed on a web server to work in certain browsers such as Chrome. If you see an error message when you click a link, try a different browser or <a href='https://github.com/jquery/jquery-mobile/wiki/Downloadable-Docs-Help'>view help</a>.</p>" );
+
+      $( document ).bind( "pagecreate", function() {
+        $( "div.ui-page" ).append( message );
+      });
+    });
+  });
+}
+