<ul id="nav">
<li><a href="#" class="apple"><span>Apple</span></a></li>
<li><a href="#">Store</a></li>
<li><a href="#">Mac</a></li>
<li><a href="#">iPod</a></li>
<li><a href="#">iPhone</a></li>
<li><a href="#">iPad</a></li>
<li><a href="#">iTunes</a></li>
<li><a href="#">Support</a></li>
<li class="search_container">
    <form class="search" method="get" action="#">
    <label for="search">
    <input type="text" id="search" placeholder="Search" />
    </label>
    </form>
    </li>
    </ul>

#nav {
background:-webkit-gradient(linear, 0 0, 0 100%, from(#cacaca), to(#848484));
background:-moz-linear-gradient(top, #cacaca, #848484);
-webkit-border-radius:3px;
-moz-border-radius:3px;
border-radius:3px;
-webkit-box-shadow:0 1px 2px rgba(0,0,0,.3);
display:inline-block;
list-style:none;
margin:0 0 20px;
overflow:hidden;
padding:0;
    }
#nav li { border-right:1px solid #808080; -webkit-box-shadow:inset 0 0 0 1px rgba(255,255,255,.1); -moz-box-shadow:inset 0 0 0 1px rgba(255,255,255,.1); float:left; }
#nav li a { color:#262626; display:block; font:13px "Lucida Sans Unicode", "Lucida Grande", sans-serif; height:36px; line-height:34px; padding:0 30px; text-decoration:none; text-shadow:0 1px #cecece; }
#nav li a:hover { background:-webkit-gradient(linear, 0 0, 0 100%, from(#929292), to(#535353)); background:-moz-linear-gradient(top, #929292, #535353); -webkit-box-shadow:inset 0 -10px 20px rgba(0,0,0,.05), inset 0 0 0 1px rgba(255,255,255,.1); -moz-box-shadow:inset 0 -10px 20px rgba(0,0,0,.05), inset 0 0 0 1px rgba(255,255,255,.1); color:#fff; text-shadow:0 -1px #414141; }
#nav li a:active { -webkit-box-shadow:inset 0 -10px 20px rgba(0,0,0,.05), inset 0 2px 5px #363636, inset 0 0 0 1px rgba(255,255,255,.1); -moz-box-shadow:inset 0 -10px 20px rgba(0,0,0,.05), inset 0 2px 5px #363636, inset 0 0 0 1px rgba(255,255,255,.1); }
#nav li .apple { padding:0; }
#nav li .apple:hover { -moz-border-radius-topleft:3px; -moz-border-radius-bottomleft:3px; -webkit-border-top-left-radius:3px; -webkit-border-bottom-left-radius:3px; }
#nav li .apple span { background:url(images/apple.png) center 6px no-repeat; display:block; padding:0; text-indent:-99999em; width:102px; }
#nav li .current,
#nav li .current:hover { background:-webkit-gradient(linear, 0 0, 0 100%, from(#373737), to(#525051)); background:-moz-linear-gradient(top, #373737, #525051); -webkit-box-shadow:inset 0 -10px 20px rgba(0,0,0,.05), inset 0 2px 5px #363636, inset 0 0 0 1px rgba(255,255,255,.1); -moz-box-shadow:inset 0 -10px 20px rgba(0,0,0,.05), inset 0 2px 5px #363636, inset 0 0 0 1px rgba(255,255,255,.1); color:#fff; text-shadow:0 1px #242323; }
#nav .search_container { border-right:none; padding-right:5px; }
#nav .search { background:url(images/site-search-sprite.png) right -53px no-repeat; padding:7px 20px 8px 5px; }
#nav .search label { background:url(images/site-search-sprite.png) 0 0 no-repeat; display:block; height:20px; }
#nav .search input { border:none; color:#a9a9a9; height:12px; margin-left:25px; -webkit-appearance:none; }
#nav .search input:focus { border:none; outline:none; }

$(function() {
       

    var $placeholder = $('input[placeholder]');
       

    if ($placeholder.length > 0) {
       

    var attrPh = $placeholder.attr('placeholder');
       

    $placeholder.attr('value', attrPh)
    .bind('focus', function() {
       

    var $this = $(this),
    $form = $this.parents('.search');
       

    if($this.val() === attrPh)
    $this.val('').css('color','#333');
       

    $form.addClass('focus');
       

    }).bind('blur', function() {
       

    var $this = $(this),
    $form = $this.parents('.search');
       

    if($this.val() === '')
    $this.val(attrPh).css('color','#a9a9a9');
       

    $form.removeClass('focus');
    });
    }
    });