var _box = null;
var _tabs = [];

function initPage()
{
	_box = document.getElementById("appear");
	if (_box)
	{
		var links = _box.getElementsByTagName("a");
		for (i = 0; i < links.length; i++)
		{
			if (links[i].parentNode.className == "heading")
			{
				_tabs.push(links[i]);
				links[i].onclick = function() {
					_box.className = "";
					for (i = 0; i < _tabs.length; i++)
					{
						_tabs[i].parentNode.parentNode.className = _tabs[i].parentNode.parentNode.className.replace("active", "");
					}
					this.parentNode.parentNode.className += " active";
					return false;
				};
			}
		}
	}
}

if (window.addEventListener) {
	window.addEventListener("load", initPage, false);
}
else if (window.attachEvent)  {
	window.attachEvent("onload", initPage);
}