var currentAd = 0
function adRotator() {
	switch (currentAd) {
		case 0:
			document.getElementById('adPict').src='images/banners/_carnet.jpg';
			document.getElementById('adPict').alt='CarNet';
			document.getElementById('adLnk').href='http://www.carnet.com.au';
			break;
		case 1:
			document.getElementById('adPict').src='images/banners/_carbuyers.gif';
			document.getElementById('adPict').alt='Carbuyers';
			document.getElementById('adLnk').href='carbuyers.aspx';
			document.getElementById('adLnk').target='_top';
			break;
		case 2:
			document.getElementById('adPict').src='images/banners/_bol_tech.gif';
			document.getElementById('adPict').alt='Bids Online Technology';								
			document.getElementById('adLnk').href='http://www.autogroup.com.au/autogrouptech/autogrouptech.asp';
			break;
	}
	
	currentAd ++;
	if (currentAd > 2) 
		{currentAd = 0};
	}
	window.setInterval("adRotator()",4000)