var imagenum = 0;
var imgcount = images.length - 1;
function setImage()
{
		var img = "img" + imagenum;
		var main = document.getElementById('mainimage');
		main.src = "http://battleheads.temphost.net" + images[imagenum];
		
		if(imagenum == imgcount) {
			imagenum = 0;
		}
		else {
			imagenum++;
		}
		

}