document.onload = setInterval("swapImg()",5000);
	
var imgNum = 1;

function swapImg(){
	
$('homeImg').hide({duration: 1});	
	
var homeImg = document.getElementById("homeImg");
homeImg.src = courtPics[imgNum];

if(imgNum < 3){
	
	imgNum++;
	
	} else {
		
	imgNum = 0;
		
		}
$('homeImg').appear({duration: 1});

}