// variables
	var promotionsList = new Array();
	var attentePromotions=5000;
	var interPromotions=30;
	var nbPromotions =0;
	var galeriePromotions_id=0;

	function _MAJ_opacity_promotions (objet, opacity)
	{
		objet.xOpacity = opacity;
   		objet.style.MozOpacity = objet.xOpacity;
		objet.style.filter = "alpha(opacity=" + (objet.xOpacity*100) + ")";
	}

	function _apparaitre_promotions ()
	{
		_MAJ_opacity_promotions(promotionsList[galeriePromotions_id], 0.00);
		promotionsList[galeriePromotions_id].style.display = 'block';
		_apparaitre_aux_promotions ();
	}

	function _apparaitre_aux_promotions()
	{
		if(promotionsList[galeriePromotions_id].xOpacity < 0.99)
		{
			_MAJ_opacity_promotions(promotionsList[galeriePromotions_id], promotionsList[galeriePromotions_id].xOpacity + 0.05);
		 	setTimeout(_apparaitre_aux_promotions, interPromotions);
		}
		else
			setTimeout(_disparaitre_promotions, attentePromotions);
	}

	function _disparaitre_promotions ()
	{
		if(promotionsList[galeriePromotions_id].style.opacity > 0.05)
		{
			_MAJ_opacity_promotions(promotionsList[galeriePromotions_id], promotionsList[galeriePromotions_id].xOpacity - 0.05);
			setTimeout(_disparaitre_promotions, interPromotions);		
		}
		else {
			promotionsList[galeriePromotions_id].style.display = 'none';
			if(galeriePromotions_id == nbPromotions -1)
				galeriePromotions_id = 0;
			else
				galeriePromotions_id++;
			_apparaitre_promotions();	
		}
	}

	   // Initialisation du rotation
    function rotationPromotions(elementId)
    {
	if(document.getElementById || document.createElement){
    	promotionsList = document.getElementById( elementId ).getElementsByTagName('p');
		nbPromotions=promotionsList.length;
		for(i=0;i<promotionsList.length;i++){
			promotionsList[i].style.display = 'none';
		}		
  		i=Math.floor(Math.random()*nbPromotions);
  		galeriePromotions_id = (i==nbPromotions) ? nbPromotions-1 : i;
		_apparaitre_promotions();
	
	}
    }