function panier(action,stock_id){
	var query = '1=1';
	if(action){query += '&action='+action;}
	if(stock_id){query += '&stock_id='+stock_id;}
	new Ajax.Updater('encartPanier' , 'catalogue/encartPanier.php?'+query,{evalScripts:true});
	return false;
}