//au chargement de la page
	$(document).ready(function(){
		//duree de l'animation slide
		var vitesseSlide='500';
		//--o Opacité initiale du coté été
		$("#ete").animate({opacity: '0.5'},vitesseSlide);
		//au rollover sur ete/hiver, on déplace la div bandeau
		$("#ete").mouseover(function(){	
			swapFleches("ete");
			$("#hiver").animate({
				opacity: "0.5"
			}, vitesseSlide);
			$("#ete").animate({
				opacity: "1"
			},vitesseSlide);
			$("#bandeau").animate({marginLeft: "-950"},vitesseSlide);
			return false;
		});
		
		$("#hiver").mouseover(function(){
			swapFleches("hiver");
			$("#ete").animate({
				opacity: "0.5"
			}, vitesseSlide);
			$("#hiver").animate({
				opacity: "1"
			},vitesseSlide)
			$("#bandeau").animate({marginLeft: "-1440"}, vitesseSlide);
			return false;
		});
		
	});
	
function swapFleches(saison){
	if(saison == "ete"){
		document.getElementById("fleche_ete").src = "images/fleche_ete_over.png";
		document.getElementById("fleche_hiver").src = "images/fleche_hiver.png";
	}else{
		document.getElementById("fleche_ete").src = "images/fleche_ete.png";
		document.getElementById("fleche_hiver").src = "images/fleche_hiver_over.png";
	}
}
	
//--o CHARGEMENT ALEATOIRE DES VISUS
function makeArray(n) {
	this.length = n;
	for (var i=1; i<=n; i++) {
		this[i] = "";
	}
	return this;
}
var i;
function imagesHiverRandom() {
	i = Math.floor(image.length * Math.random() + 1);
	return image[i];
}
image = new makeArray(3);
image[1]="images/hiver.jpg";
image[2]="images/hiver_2.jpg";
image[3]="images/hiver_3.jpg";
	
//--o IMAGES PRELOADEES
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
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 MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}