Javascript 
Trend for Web Sites Background Image Navigation
Trend for Web Sites Background Image Navigation Trend for Web Sites Background Image Navigation In this example you have a very nice effect, it is about change image background when mouse is over the button and 3 others buttons is loading!
<link rel="stylesheet" href="css/style.css" type="text/css" media="screen"/>
<!--[if lte IE 6]>
<link rel="stylesheet" href="css/styleIE6.css" type="text/css" media="screen"/>
<![endif]-->
<div id="content">
<div id="menuWrapper" class="menuWrapper bg1">
<ul class="menu" id="menu">
<li class="bg1" style="background-position:0 0;">
<a id="bg1" href="#">Our Passion</a>
<ul class="sub1" style="background-position:0 0;">
<li><a href="#">Submenu 1</a></li>
<li><a href="#">Submenu 2</a></li>
<li><a href="#">Submenu 3</a></li>
</ul>
</li>
<li class="bg1" style="background-position:-266px 0px;">
<a id="bg2" href="#">Our Brands</a>
<ul class="sub2" style="background-position:-266px 0;">
<li><a href="#">Submenu 1</a></li>
<li><a href="#">Submenu 2</a></li>
<li><a href="#">Submenu 3</a></li>
</ul>
</li>
<li class="last bg1" style="background-position:-532px 0px;">
<a id="bg3" href="#">Contact</a>
<ul class="sub3" style="background-position:-266px 0;">
<li><a href="#">Submenu 1</a></li>
<li><a href="#">Submenu 2</a></li>
<li><a href="#">Submenu 3</a></li>
</ul>
</li>
</ul>
</div>
<div class="reference">
<p><a href="http://www.flickr.com/photos/patdavid/3842889677/in/set-72157622106008372/">Photo 1: Doobies Birthday</a></p>
<p><a href="http://www.flickr.com/photos/patdavid/3905945428/in/set-72157622106008372/">Photo 2: Cup O Joe</a></p>
<p><a href="http://www.flickr.com/photos/patdavid/3786736230/in/set-72157622106008372/">Photo 3: At the bookstore</a></p>
<p><a href="http://www.flickr.com/photos/patdavid">From avhell's photostream on Flickr</a></p>
</div>
</div>
<!-- The JavaScript -->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script type="text/javascript" src="jquery.bgpos.js"></script>
<script type="text/javascript">
$(function() {
/* position of the <li> that is currently shown */
var current = 0;
var loaded = 0;
for(var i = 1; i <4; ++i)
$('<img />').load(function(){
++loaded;
if(loaded == 3){
$('#bg1,#bg2,#bg3').mouseover(function(e){
var $this = $(this);
/* if we hover the current one, then don't do anything */
if($this.parent().index() == current)
return;
/* item is bg1 or bg2 or bg3, depending where we are hovering */
var item = e.target.id;
/*
this is the sub menu overlay. Let's hide the current one
if we hover the first <li> or if we come from the last one,
then the overlay should move left -> right,
otherwise right->left
*/
if(item == 'bg1' || current == 2)
$('#menu .sub'+parseInt(current+1)).stop().animate({backgroundPosition:"(-266px 0)"},300,function(){
$(this).find('li').hide();
});
else
$('#menu .sub'+parseInt(current+1)).stop().animate({backgroundPosition:"(266px 0)"},300,function(){
$(this).find('li').hide();
});
if(item == 'bg1' || current == 2){
/* if we hover the first <li> or if we come from the last one, then the images should move left -> right */
$('#menu > li').animate({backgroundPosition:"(-800px 0)"},0).removeClass('bg1 bg2 bg3').addClass(item);
move(1,item);
}
else{
/* if we hover the first <li> or if we come from the last one, then the images should move right -> left */
$('#menu > li').animate({backgroundPosition:"(800px 0)"},0).removeClass('bg1 bg2 bg3').addClass(item);
move(0,item);
}
/*
We want that if we go from the first one to the last one (without hovering the middle one),
or from the last one to the first one, the middle menu's overlay should also slide, either
from left to right or right to left.
*/
if(current == 2 && item == 'bg1'){
$('#menu .sub'+parseInt(current)).stop().animate({backgroundPosition:"(-266px 0)"},300);
}
if(current == 0 && item == 'bg3'){
$('#menu .sub'+parseInt(current+2)).stop().animate({backgroundPosition:"(266px 0)"},300);
}
/* change the current element */
current = $this.parent().index();
/* let's make the overlay of the current one appear */
$('#menu .sub'+parseInt(current+1)).stop().animate({backgroundPosition:"(0 0)"},300,function(){
$(this).find('li').fadeIn();
});
});
}
}).attr('src', 'images/'+i+'.jpg');
/*
dir:1 - move left->right
dir:0 - move right->left
*/
function move(dir,item){
if(dir){
$('#bg1').parent().stop().animate({backgroundPosition:"(0 0)"},200);
$('#bg2').parent().stop().animate({backgroundPosition:"(-266px 0)"},300);
$('#bg3').parent().stop().animate({backgroundPosition:"(-532px 0)"},400,function(){
$('#menuWrapper').removeClass('bg1 bg2 bg3').addClass(item);
});
}
else{
$('#bg1').parent().stop().animate({backgroundPosition:"(0 0)"},400,function(){
$('#menuWrapper').removeClass('bg1 bg2 bg3').addClass(item);
});
$('#bg2').parent().stop().animate({backgroundPosition:"(-266px 0)"},300);
$('#bg3').parent().stop().animate({backgroundPosition:"(-532px 0)"},200);
}
}
});
</script>
*{
margin:0;
padding:0;
}
body{
font-family:Arial;
padding-top:30px;
background:#FFF9DF url(title.png) no-repeat top center;
}
a.back{
background:transparent url(back.png) no-repeat 0px 0px;
position:absolute;
width:150px;
height:27px;
outline:none;
top:2px;
right:0px;
}
.reference{
margin:20px auto;
width:600px;
padding:20px;
}
.reference p a{
text-transform:uppercase;
text-shadow:1px 1px 1px #fff;
color:#666;
text-decoration:none;
font-size:10px;
}
.reference p a:hover{
color:#333;
}
.menuWrapper{
font-family: "Trebuchet MS", Arial, sans-serif;
font-size: 15px;
font-style: normal;
font-weight: normal;
text-transform:uppercase;
letter-spacing: normal;
line-height: 1.45em;
position:relative;
margin:20px auto;
height:542px;
width:797px;
background-position:0 0;
background-repeat:no-repeat;
background-color:transparent;
}
ul.menu{
list-style:none;
width:797px;
}
ul.menu > li{
float:left;
width:265px;
height:542px;
border-right:1px solid #777;
background-repeat:no-repeat;
background-color:transparent;
}
ul.menu > li.last{
border:none;
}
.bg1{
background-image: url(../images/1.jpg);
}
.bg2{
background-image: url(../images/2.jpg);
}
.bg3{
background-image: url(../images/3.jpg);
}
ul.menu > li > a{
float:left;
width:265px;
height:50px;
margin-top:450px;
text-align:center;
line-height:50px;
color:#ddd;
background-color:#333;
letter-spacing:1px;
cursor:pointer;
text-decoration:none;
text-shadow:0px 0px 1px #fff;
}
ul.menu > li ul{
list-style:none;
float:left;
margin-top:-180px;
width:100%;
height:110px;
padding-top:20px;
background-repeat:no-repeat;
background-color:transparent;
}
ul.menu > li ul li{
display:none;
}
ul.menu > li ul.sub1{
background-image:url(../images/bg1sub.png);
}
ul.menu > li ul.sub2{
background-image:url(../images/bg2sub.png);
}
ul.menu > li ul.sub3{
background-image:url(../images/bg3sub.png);
}
ul.menu > li ul li a{
color:#fff;
text-decoration:none;
line-height:30px;
margin-left:20px;
text-shadow:1px 1px 1px #444;
font-size:11px;
}
ul.menu > li ul.sub1 li{
display:block;
}
ul.menu > li ul li a:hover{
border-bottom:1px dotted #fff;
}
This script has been developed by http://tympanus.net !
