function markTopColumnNavigation(columnId) {
	if (columnId == null || columnId == undefined)
		return;
	var topColumnNavigation = document.getElementById("topColumnNavigation");
	if (topColumnNavigation == null || topColumnNavigation == undefined)
		return;
	var anchors = topColumnNavigation.getElementsByTagName("a");
	if (anchors == null || anchors == undefined)
		return;
	for (var i = 0; i < anchors.length; i++) {
		if (anchors[i].columnId == columnId) {
			anchors[i].className = "current";
			return;
		}
	}
}

function markleftNavRoot(parentColumnId, columnId) {
	if (parentColumnId == null || parentColumnId == undefined)
		return;
	if (columnId == null || columnId == undefined)
		return;
	var leftNavRoot = document.getElementById("leftNavRoot");
	if (leftNavRoot == null || leftNavRoot == undefined)
		return;
	var lis = new Array();
	var j = 0;
	for (var i = 0; i < leftNavRoot.childNodes.length; i++) {
		if (leftNavRoot.childNodes[i].nodeName.toLowerCase() == "li") {
			lis[j] = leftNavRoot.childNodes[i];
			j++;
		}
	}
	if (lis[0] == null || lis[0] == undefined)
		return;
	for (var i = 0; i < lis.length; i++) {
		if (lis[i].columnid == parentColumnId) {
			for (var j = 0; j < lis[i].childNodes.length; j++) {
				if (lis[i].childNodes[j].nodeName.toLowerCase() == "a") {
					lis[i].childNodes[j].className = "current columnLink";
					return;
				}
			}
			return;
		}
	}
	for (var i = 0; i < lis.length; i++) {
		if (lis[i].columnid == columnId) {
			for (var j = 0; j < lis[i].childNodes.length; j++) {
				if (lis[i].childNodes[j].nodeName.toLowerCase() == "a") {
					lis[i].childNodes[j].className = "current columnLink";
					return;
				}
			}
			return;
		}
	}
}