indice = -1;
firstload = true;

function MM_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function callScript(scriptName, i){
	
	indice = i;
	
	var xhr_object = null; 

	if(window.XMLHttpRequest) // Firefox 
		xhr_object = new XMLHttpRequest(); 
	else if(window.ActiveXObject) // Internet Explorer 
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non supporté par le navigateur 
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
		return; 
	}
	
	xhr_object.open("GET", scriptName + '?indice=' + indice, false);
	xhr_object.setRequestHeader("Content-type", "text/xml");
	xhr_object.send();
	
	$('#actualites').html(xhr_object.responseText);
	
	if(firstload == true){
		$('.vignette').find('img').each(function(){
			img_mini = $(this).attr('src');
			img_maxi = $(this).attr('rel');
			MM_preloadImages(img_mini);
			MM_preloadImages(img_maxi);
		});
		firstload = false;
	}
	
	$('#actualites').find('#actu-zoom').stop(true, true).fadeIn('slow');
	
	$('a.lightbox').lightBox('include/jquery-lightbox/');
}

function reset(){
	clearInterval(timer);
	timer = setInterval("start()", 12000);
}

function start(){
	if(indice == 3) indice = 0; else indice++;
	callScript('include/get_actualite.php', indice);
}

$(document).ready(function(){
	start();
	timer = setInterval("start()", 12000);
});