如何使用CSS3+JQuery实现悬浮墙式菜单

<div id="wanderwall">
<div class="wrapper">
<div id="frame1" class="frame first">
<a  id="link1" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" alt="jQuery is used to power WanderWall's animations">
<span>jQuery</span> </a>
</div>
<div id="frame2" class="frame two">
<a  id="link2" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" alt="CSS3 is used for linear gradients and styling">
<span>CSS3</span> </a>
</div>
<div id="frame3" class="frame three">
<a  id="link3" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" alt="HTML5 powers the data-tooltip tooltips">
<span>HTML5</span> </a>
</div>
<div id="frame4" class="frame fourth">
<a  id="link4" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" alt="Font-Face powers the fonts"><span>
@font-face</span> </a>
</div>
</div>
</div>

<div class="page">
<div id="mantletext">
<h4>
jQuery</h4>
<h3>
Wanderwall 1</h3>
</div>
</div>
<div class="page">
<div id="mantletext">
<h4>
jQuery</h4>
<h3>
Wanderwall 2</h3>
</div>
</div>
<div class="page">
<div id="mantletext">
<h4>
jQuery</h4>
<h3>
Wanderwall 3</h3>
</div>
</div>
<div class="page">
<div id="mantletext">
<h4>
jQuery</h4>
<h3>
Wanderwall 4</h3>
</div>
</div>

$("div.frame a").hover(function()
{
/*Strip the link identifier to form just the ID*/
var id = this.id.replace("link", "");
var currentLink = $(this);
/*ID based hiding of the other frames*/
hideTheRest(id);
position = -296*id;
/*Define the offset at which the page for this frame is present*/
marginnew = pagewidth * id * -1;
/*Show the Home link if not on the Default page*/
if(id > 0)
{
$('#homelink').show();
}else{
$('#homelink').hide();
}
/*Animate the Page Slider to the new offset*/
$('.pageslider').stop().animate({marginLeft: marginnew}, 800);
/*Animate the header background*/
$('#wanderwall').stop().animate({backgroundPosition: '(50% ' + position +'px )'}, 500, function()
{
var distance = 0;
var topdis = -190;
var text = currentLink.attr('alt');
var infoframe = $('#infoframe');
/*Define the offset for the header-wallpaper text to appear next to the frame*/
switch(id)
{
case "1":
distance = 500;
break;
case "2":
distance = 730;
break;
case "3":
distance = 200;
break;
case "4":
distance = 400;
topdis = -198;
break;
}
infoframe.html(text);
infoframe.css('margin-left', distance + 'px');
infoframe.css('margin-top', topdis + 'px');
infoframe.fadeIn();
});
}, function()
{
$('#infoframe').hide();
var id = this.id.replace("link", "");
$('#wanderwall').stop().animate({backgroundPosition: '(50% 0px)'}, 500 ); 
showTheRest();
});

function hideTheRest(id){
for (var i=1; i<5; i++){
if (i!=id)
{
$('#frame' + i + ' a').css('display', 'block'); 
$('#frame' + i).css('filter', 'alpha(opacity=90)');
$('#frame' + i).stop().fadeTo("fast",0);
$('#frame' + i + ' a').css('display', 'none');
}
}
$('#infoframe').css('visibility','visible'); 
}

body{
background: 
-webkit-gradient(
linear,
left bottom,
left top,
color-stop(0.09, rgb(153,153,153)),
color-stop(0.55, rgb(242,242,242)),
color-stop(0.78, rgb(240,237,240))
);
background:
-moz-linear-gradient(
center bottom,
rgb(153,153,153) 9%,
rgb(242,242,242) 55%,
rgb(240,237,240) 78%
);
}
#mantle { width:100%; height:30px; background: 
-webkit-gradient(
linear,
left bottom,
left top,
color-stop(0.09, rgb(153,153,153)),
color-stop(0.55, rgb(242,242,242)),
color-stop(0.78, rgb(252,252,252))
);
background:
-moz-linear-gradient(
center bottom,
rgb(153,153,153) 9%,
rgb(242,242,242) 55%,
rgb(252,252,252) 78%
);
-webkit-background-origin: padding; 
-webkit-background-clip: content;
border-bottom:1px solid #fff;
}

.frame:hover{
-webkit-transform: rotate(-9deg); -moz-transform: rotate(-9deg);
}

@font-face {
font-family: 'LeagueGothicRegular';
src: url('league_gothic-webfont.eot');
src: local('☺'), url('league_gothic-webfont.woff') format('woff'), url('league_gothic-webfont.ttf') format('truetype'), url('league_gothic-webfont.svg#webfontwJ2IAlek') format('svg');
font-weight: normal;
font-style: normal;
}