var images = new Array();
var imgId = "";
var nextId = "";
var prevId = "";
var curIndex = 0;

function SwapEventImage(index) {
	curIndex = index;
	document.getElementById(imgId).innerHTML = images[index];

	if (curIndex <= 0)
		document.getElementById(prevId).href = "javascript:SwapEventImage(" + (images.length - 1) + ")";
	else
		document.getElementById(prevId).href = "javascript:SwapEventImage(" + (curIndex - 1) + ")";
		
	if (curIndex + 1 == images.length)
		document.getElementById(nextId).href = "javascript:SwapEventImage(0)";
	else
		document.getElementById(nextId).href = "javascript:SwapEventImage(" + (curIndex + 1) + ")";
}