function handleDocumentLoad()
{
	if (document.getElementById)
	{
		var subItems;
		var mainMenu = document.getElementById('mainMenu');
		var topItems = mainMenu.getElementsByTagName("li");
		for (var i=0; i<topItems.length; i++)
		{
			if (topItems[i].getElementsByTagName("ul").length > 0)
			{
				topItems[i].getElementsByTagName("ul")[0].style.display = "none";
				topItems[i].getElementsByTagName("a")[0].onclick = handleMenuClick;
			}
		}
	}
}

function handleMenuClick()
{
	var subMenu = this.parentNode.getElementsByTagName("ul")[0];
	subMenu.style.display = ((subMenu.style.display=="none")?("block"):("none"));
	return false;
}