var promo = 1;
function promo_chage(nom, act) {
	promo = nom;
	if (act == true)
	{
		window.clearInterval(promoInterval);
	}
	var elm =  document.getElementById('promo_' + nom);
	var children = elm.parentNode.parentNode.childNodes;
	for (var i=0; i < children.length; i++) 
	{
		if (children[i].tagName == 'DIV') 
		{
			var child = children[i].childNodes;
			for (var m=0; m < child.length; m++) 
			{
				if (child[m].tagName == 'DIV') 
				{
					child[m].style.display = '';
				}
				else if (child[m].tagName == 'A') 
				{
					child[m].className = '';
				}
			}
		}
	}

	children = elm.parentNode.childNodes;
	for (var i=0; i < children.length; i++) 
	{
		if (children[i].tagName == 'DIV') 
		{
			children[i].style.display = 'block';
		}
	}
	elm.className = 'a_check';
}

function promo_slide() {
	promo += 1;
	if (promo > document.getElementById('promo_max').value)
	{
		promo = 1;
	}
	promo_chage(promo, false);
}
function promo_start() {
	promoInterval = window.setInterval("promo_slide()", 5000);
}