var intervalSeconds = 5;


var currentBannerNum = 1;
var stopChanging = false;
function changeBanner(bNum){
	
	var lastBannerIdQuery = "#banner"+currentBannerNum;

	if (!bNum){
		if (!stopChanging)
			if (++currentBannerNum > 4) currentBannerNum = 1;
	} else {
		currentBannerNum = bNum;
		stopChanging = true;
	}
	
	if (!stopChanging) 	
		setTimeout('changeBanner()', intervalSeconds*1000);
	
	
	if ((!stopChanging) || (bNum)){
	
		var currentBannerIdQuery = "#banner"+currentBannerNum;
		$(lastBannerIdQuery).fadeOut(1000);
		$(currentBannerIdQuery).fadeIn(1000);
	
	}
	
	
}

$(document).ready(function(){			  
	setTimeout('changeBanner()', intervalSeconds*1000);   
});