var banArr = new Array(); 
var counter = 0;
banArr= [
	['../banners/sanparks.jpg','http://www.sanparks.org/'],
	['../banners/e-sword.jpg','http://www.e-sword.net/'],
	['../banners/CVO.jpg','http://cvopta.co.za/']
]
function chBanner() 
{
	if(counter > banArr.length-1)
		counter = 0;
		document.banners.src = banArr[counter][0]; 
		bannerh.href = banArr[counter][1]; 
	counter++; 
}
var timer = window.setInterval("chBanner()", 2000);