function GetElementsByName(tag, name) {
	var elem = document.getElementsByTagName(tag);
	var arr = new Array();
	for (i = 0, iarr = 0; i < elem.length; i++) {
		att = elem[i].getAttribute("name");
		if (att == name) {
			arr[iarr] = elem[i];
			iarr++;
		}
	}
	return arr;
}

function ShowHideNewsItem(obj, itemName,tagName) {
	var aryItems = GetElementsByName(tagName, itemName);
	var state = 'none';

	if (obj.checked)
		state = 'block';

	for (i = 0; aryItems[i]; i++) {
		aryItems[i].style.display = state;
	}
}