Fix navbar toggles

docs/examples/carousel.html

@@ -236,11 +236,11 @@ body {
 
     <div class="navbar navbar-inverse navbar-static-top">
       <div class="container">
-	    <a class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
+	    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
 	      <span class="icon-bar"></span>
 	      <span class="icon-bar"></span>
 	      <span class="icon-bar"></span>
-	    </a>
+	    </button>
         <a class="navbar-brand" href="#">Project name</a>
         <div class="nav-collapse collapse">
           <ul class="nav navbar-nav">

docs/examples/jumbotron.html

@@ -39,11 +39,11 @@ title: Jumbotron template
 
 <div class="navbar navbar-inverse navbar-fixed-top">
   <div class="container">
-    <a class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
+    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
-    </a>
+    </button>
     <a class="navbar-brand" href="#">Project name</a>
     <div class="nav-collapse collapse">
       <ul class="nav navbar-nav">

docs/examples/navbar-fixed-top.html

@@ -20,11 +20,11 @@ title: Fixed navbar template
     <!-- Fixed navbar -->
     <div class="navbar navbar-fixed-top">
       <div class="container">
-        <a class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
+        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
           <span class="icon-bar"></span>
           <span class="icon-bar"></span>
           <span class="icon-bar"></span>
-        </a>
+        </button>
         <a class="navbar-brand" href="#">Project name</a>
         <div class="nav-collapse collapse">
           <ul class="nav navbar-nav">

docs/examples/navbar-static-top.html

@@ -16,11 +16,11 @@ title: Static navbar template
 <!-- Static navbar -->
 <div class="navbar navbar-static-top">
   <div class="container">
-    <a class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
+    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
-    </a>
+    </button>
     <a class="navbar-brand" href="#">Project name</a>
     <div class="nav-collapse collapse">
       <ul class="nav navbar-nav">

docs/examples/navbar.html

@@ -22,11 +22,11 @@ title: Navbar template
   <!-- Static navbar -->
   <div class="navbar">
     <div class="container">
-      <a class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
+      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".nav-collapse">
         <span class="icon-bar"></span>
         <span class="icon-bar"></span>
         <span class="icon-bar"></span>
-      </a>
+      </button>
       <a class="navbar-brand" href="#">Project name</a>
       <div class="nav-collapse collapse">
         <ul class="nav navbar-nav">