window.onload = function ()
	{
	var x = document.getElementsByTagName('div');
	for (var i=0;i<x.length;i++)
		{
		if (x[i].className == 'label')
			x[i].onclick = clickNav;
		}
	closeNav();
	}



function closeNav()
	{
	var x = document.getElementsByTagName('div');
	for (var i=0;i<x.length;i++)
		{
		if (x[i].className == 'content')
		x[i].style.display = 'none';
		}
	}


function clickNav(e)
	{
	if (!e) var e = window.event;
	if (e.target) var tg = e.target;
	else if (e.srcElement) var tg = e.srcElement;
	while (tg.nodeName != 'DIV')
		tg = tg.parentNode;
	var nextSib = tg.nextSibling;
	while (nextSib.nodeType != 1)
		nextSib = nextSib.nextSibling;
	var nextSibStatus = (nextSib.style.display == 'none') ? 'block' : 'none';
	nextSib.style.display = nextSibStatus;
	}