Bootstrap-Responsive folding navigation

When the browser width is reduced to a certain value, the navigation is displayed as

<navclass= "NavBar navbar-inverse navbar-fixed-top"role= "Navigation"><Divclass= "Container"><!--Collapse Display icon -    <Divclass= "Navbar-header">        <Buttontype= "button"class= "Navbar-toggle collapsed"Data-toggle= "Collapse"Data-target= "#a">            <spanclass= "Sr-only">Toggle Navigation</span>            <spanclass= "Icon-bar"></span>            <spanclass= "Icon-bar"></span>            <spanclass= "Icon-bar"></span>        </Button>        <ahref="#"class= "Navbar-brand">tinyphp</a>    </Div>    <!--Navigation Folding -    <Divclass= "Collapse Navbar-collapse"ID= "a">        <ulclass= "Nav navbar-nav">            <Liclass= "Active">                <ahref="#">Home</a>            </Li>            <Liclass= "Dropdown">                <ahref="#"class= "Btn Dropdown-toggle"Data-toggle= "Dropdown" >Address<spanclass= "Caret"></span></a>                <ulclass= "Dropdown-menu"role= "Menu">                    <Li><ahref="#">Action</a></Li>                    <Li><ahref="#">Another action</a></Li>                    <Li><ahref="#">Something Else here</a></Li>                    <Liclass= "Divider"></Li>                    <Li><ahref="#">Separated link</a></Li>                </ul>            </Li>        </ul>    </Div></Div></nav>

Details: http://v3.bootcss.com/components/#navbar

Bootstrap-Responsive folding navigation