var numberOfBannerimages = 23; //change this number to adjust the number of images in the banner cycle
var counter = 0;

function bannerCycle(){
	if (document.banner){
		setInterval("bannerIncrement()",2000);
	}
}

function bannerIncrement(){
	document.banner.src = getRandomImage();
}

function randomBanner(){
	htmltext = "<img src=\"" + getRandomImage() + "\" alt=\"\" width=\"327\" height=\"305\" name=\"banner\">";
	return htmltext;
}

function getRandomImage(){
	var seed=Math.random();
	var imgsrc="";
	counter = Math.floor(seed*numberOfBannerimages);
	imgsrc += "images/vidcycle" + counter + ".jpg";
	return imgsrc;
}