window.onload = rotate;

var adImages = new Array("slidepics/sun_and_shadow_1.jpg","slidepics/july_1.jpg", "slidepics/grass_fed_1.jpg","slidepics/and_theyre_off_1.jpg");
var thisAd = 0;

function rotate() {
	thisAd++;
	if (thisAd == adImages.length) {
		thisAd = 0;
	}
	document.getElementById("slide").src = adImages[thisAd];
	
	setTimeout("rotate()", 3 * 1000);
}