/*************/
/* PORTFOLIO */
/*************/
var num_img_courant=0;
/* init preload */
var d=document; 
if(d.images){ 
	if(!d.liste_image_portfolio) {
		d.liste_image_portfolio=new Array();
   		var i=d.liste_image_portfolio.length;
	}
}
function ajout_image_portfolio(img,libelle){
	d.liste_image_portfolio[i]=new Image;
	d.liste_image_portfolio[i].src=img;
	d.liste_image_portfolio[i].alt=libelle;
	i++;
}
function init_portfolio(){
	d.getElementById("num-image").value=(num_img_courant+1)+"/"+d.liste_image_portfolio.length;
	d.getElementById("img-portfolio").src=d.liste_image_portfolio[num_img_courant].src;
	d.getElementById("alt-image").innerHTML=d.liste_image_portfolio[num_img_courant].alt;
	
}

function image_suivante(){
	if (num_img_courant==d.liste_image_portfolio.length-1)
		num_img_courant=0
	else
		num_img_courant++;		
	d.getElementById("num-image").value=(num_img_courant+1)+"/"+d.liste_image_portfolio.length;;
	d.getElementById("img-portfolio").src=d.liste_image_portfolio[num_img_courant].src;
	d.getElementById("alt-image").innerHTML=d.liste_image_portfolio[num_img_courant].alt;
}

function image_precedente(){
	if (num_img_courant==0)
		num_img_courant=d.liste_image_portfolio.length-1;
	else
		num_img_courant--;
	d.getElementById("num-image").value=(num_img_courant+1)+"/"+d.liste_image_portfolio.length;
	d.getElementById("img-portfolio").src=d.liste_image_portfolio[num_img_courant].src;
	d.getElementById("alt-image").innerHTML=d.liste_image_portfolio[num_img_courant].alt;
}