$(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){
			/* Loop 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);
	
		// auto advance
		var itvl = setInterval('autoAdvance()',10000);
	
	
		/* Change the cotnainer div's width to the exact width of all the slides combined */
		$('#thumbs ul li a').click(function(e){
	
			/* 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 */
			
			
			// auto advance : stop si click sur visuel
			//clearInterval(itvl);
			
		});
	
		$('#thumbs ul li.menuItem:first').addClass('act').siblings().addClass('inact');
		/* On page load, mark the first thumbnail as active */
	});
	// =================== auto advance ============================
	var current=1;
	function autoAdvance()
	{
		//$('#thumbs ul li a')[current%$('#thumbs ul li a').length].click();
		$('#thumbs ul li a').eq(current%$('#thumbs ul li a').length).click();
		current++;
	}