Tutorial : Hide Navigation Bar

1. Dashboard --> Layout --> Add a Gadget --> Html JavaScript

2. Copy dan Paste code di bawah ini

<!-- DROPDOWN NAVBAR --><!-- stylesheet for FF2, Op9, IE7 (strict mode) --><style type="text/css">#navbar {display:inline;width:100%;position:absolute;background-color:transparent;top:-30px;left:0px;height:60px;z-index:999999;}#navbar:hover{top:0px;height:30px;}</style><!-- stylesheet for IE6 and lower --><!-- (not supporting element:hover) --><!-- first, unhide the navbar through css --><!-- second, hide the navbar and mimic --><!-- the effect with javascript, if available --><!--[if lt IE 7]><style type="text/css">#navbar {height:30px;top:0px;}</style><script type="text/javascript">var navbar = document.getElementById('navbar');if(navbar){navbar.onmouseover = function(){navbar.style.top = '0px';navbar.style.height = '30px';}navbar.onmouseout = function(){navbar.style.top = '-30px';navbar.style.height = '60px';}if (navbar.captureEvents){navbar.captureEvents(Event.MOUSEOVER);navbar.captureEvents(Event.MOUSEOUT);}navbar.onmouseout();}</script><![endif]--><!-- end dropdown navbar -->

3. save !

Credit code : Tutorial Blog !