function showHideEventDetails(id) {
	var detailsDiv = document.getElementById("details_" + id);
	var anchor = document.getElementById("anchor_" + id);
	
	if (detailsDiv) {
		if (detailsDiv.style.display == "none") {
			detailsDiv.style.display = "block";
			detailsDiv.style.visibility = "visible";
		}
		else {
			detailsDiv.style.display = "none";
			detailsDiv.style.visibility = "hidden";
		}
	}

	if (anchor) {
		if (detailsDiv.style.display == "block") {
			anchor.innerHTML = anchor.innerHTML.replace("right-arrow.gif", "down-arrow.gif");
			anchor.title = "Hide event detail";
		}
		else {
			anchor.innerHTML = anchor.innerHTML.replace("down-arrow.gif", "right-arrow.gif");
			anchor.title = "Show event detail";
		}
	}
}