<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>

<script type="text/javascript">
$(document).ready(function(){
	/* This code is executed after the DOM has been completely loaded */	
	var totWidth=0;
	var positions = new Array();	
	$('#slides .slide').each(function(i){
 
		/* Traverse through all the slides and store their accumulative widths in totWidth */	
		positions[i]= totWidth;
		totWidth += $(this).width();
 
		/* The positions array contains each slide's commulutative offset from the left part of the container */		
		if(!$(this).width())
		{
			alert("Please, fill in width & height for all your images!");
			return false;
		}		
	});
	$('#slides').width(totWidth);
 
	/* Change the cotnainer div's width to the exact width of all the slides combined */
	$('#menu ul li a').click(function(e,keepScroll){
 
			/* On a thumbnail click */
			$('li.menuItem').removeClass('act').addClass('inact');
			$(this).parent().addClass('act');		
			var pos = $(this).parent().prevAll('.menuItem').length;	
			$('#slides').stop().animate({marginLeft:-positions[pos]+'px'},450);
 
			/* Start the sliding animation */		
			e.preventDefault();
 
			/* Prevent the default action of the link */					
			// Stopping the auto-advance if an icon has been clicked:
			if(!keepScroll) clearInterval(itvl);
	});	
	$('#menu ul li.menuItem:first').addClass('act').siblings().addClass('inact');
	/* On page load, mark the first thumbnail as active */
 
        /* Enabling auto-advance. */	 
	var current=1;
	function autoAdvance()
	{
		if(current==-1) return false;		
		$('#menu ul li a').eq(current%$('#menu ul li a').length).trigger('click',[true]);	// [true] will be passed as the keepScroll parameter of the click function on line 28
		current++;
	}
 
	// The number of seconds that the slider will auto-advance in:	
	var changeEvery = 10;
	var itvl = setInterval(function(){autoAdvance()},changeEvery*1000);
 
	/* End of customizations */
});
</script>

<div id="main">
<div id="gallery">
<div id="slides">
<div class="slide"><img src="macbook.jpg" width="920" height="400" /></div>
<div class="slide"><img src="iphone.jpg" width="920" height="400" /></div>
<div class="slide"><img src="imac.jpg" width="920" height="400" /></div>
</div>
<div id="menu">
<ul>
<li class="fbar">&nbsp;</li><li class="menuItem"><a href=""><img src="thumb_macbook.png" /></a></li><li class="menuItem"><a href=""><img src="thumb_iphone.png" /></a></li><li class="menuItem"><a href=""><img src="thumb_imac.png" /></a></li>
</ul>
</div>
</div>
</div>

#gallery{
	/* CSS3 Box Shadow */
	-moz-box-shadow:0 0 3px #AAAAAA;
	-webkit-box-shadow:0 0 3px #AAAAAA;
	box-shadow:0 0 3px #AAAAAA;
 
	/* CSS3 Rounded Corners */	
	-moz-border-radius-bottomleft:4px;
	-webkit-border-bottom-left-radius:4px;
	border-bottom-left-radius:4px;
 
	-moz-border-radius-bottomright:4px;
	-webkit-border-bottom-right-radius:4px;
	border-bottom-right-radius:4px;
 
	border:1px solid white;	
	background:url(panel.jpg) repeat-x bottom center #ffffff;
 
	/* The width of the gallery */
	width:920px;
	overflow:hidden;
}
 
#slides{
	/* This is the slide area */
	height:400px;
 
	/* jQuery changes the width later on to the sum of the widths of all the slides. */
	width:920px;
	overflow:hidden;
}
 
.slide{
	float:left;
}
 
#menu{
	/* This is the container for the thumbnails */
	height:45px;
}
 
ul{
	margin:0px;
	padding:0px;
}
 
li{
	/* Every thumbnail is a li element */
	width:60px;
	display:inline-block;
	list-style:none;
	height:45px;
	overflow:hidden;
}
 
li.inact:hover{
	/* The inactive state, highlighted on mouse over */
	background:url(pic_bg.png) repeat;
}
 
li.act,li.act:hover{
	/* The active state of the thumb */
	background:url(active_bg.png) no-repeat;
}
 
li.act a{
	cursor:default;
}
 
.fbar{
	/* The left-most vertical bar, next to the first thumbnail */
	width:2px;
	background:url(divider.png) no-repeat right;
}
 
li a{
	display:block;
	background:url(divider.png) no-repeat right;
	height:35px;
	padding-top:10px;
}
 
a img{
	border:none;
}
 
#main{
	/* The main container */
	margin:15px auto;
	text-align:center;
	width:920px;
	position:relative;
}