var rotate_delay = 4000;
var slidecur = 0;



function startslides() {
	var rotatediv = document.getElementById("rotator"); 
	var rotations = rotatediv.getElementsByTagName("span");

	rotations[0].style.display="inline";
	window.setTimeout('slidechange()', rotate_delay);
}


function slidechange() {
	rotatediv = document.getElementById("rotator"); 
	rotations = rotatediv.getElementsByTagName("span");


 	rotations[slidecur].style.display = "none";
	slidecur = (slidecur == rotations.length-1) ? 0 : slidecur + 1;
	rotations[slidecur].style.display = "inline";

	window.setTimeout("slidechange()", rotate_delay);

}