// Banner Ad Rotation

function leftBanners() {
	if (document.getElementById("leftAds")) {
		anchors = document.getElementById("leftAds").getElementsByTagName("a");
		anchorLength = anchors.length;
		i = 0;
		
		try{
			anchors[0].style.display = "block";
			if (anchorLength > 0) 
				window.setInterval('hide()', 5000);
		}
		catch(e){}		
	}
}
function hide () {
	anchors[i].style.display = "none";
	i++;
	if (anchors[i])
		anchors[i].style.display = "block";
	else {
		i = 0;
		anchors[i].style.display = "block";
	}
}