function yPromo(id) {
	for (i=1;i<=2;i++){ document.getElementById('promoDiv'+i).className='promo-div1-off'; }
	document.getElementById('promoDiv'+id).className='promo-div1-on';
	document.getElementById('yPromoSira').value=id;
 }
 function yPromoZaman() {
	yPromoSiraDegeri=(document.yPromoForm.yPromoSira.value*1);
	if (yPromoSiraDegeri=='2') {
		yPromoSiraDegeri=0
		document.yPromoForm.yPromoSira.value=1;
	}
	document.yPromoForm.yPromoSira.value=yPromoSiraDegeri+1;
	if (yPromoSiraDegeri<'3') {
		for (i=1;i<=2;i++){ document.getElementById('promoDiv'+i).className='promo-div1-off'; }
		document.getElementById('promoDiv'+(yPromoSiraDegeri+1)).className='promo-div1-on';
	}
 }
var promoDongu = setInterval('yPromoZaman();', 6000);