function initMenu()
{
	var blocks = document.getElementsByTagName("li");
	for (var i=0; i<blocks.length; i++)
	{
		if (blocks[i].className.indexOf("roll") != -1)
		{
			if ( blocks[i].className.indexOf("close") == -1 ) blocks[i].className += " close";
			var links = blocks[i].getElementsByTagName("a");
			for (var k=0; k<links.length; k++)
			{
				if (links[k].className.indexOf("btn") != -1 )
				{
					links[k].onclick = function()
					{
						if ( this.parentNode.className.indexOf("close") != -1 && this.parentNode.className.indexOf("open") == -1) 
						{
								this.parentNode.className = this.parentNode.className.replace("close", "open");
						}
						else
						{
							this.parentNode.className = this.parentNode.className.replace("open", "close");
						}
						return false;
					}
				}
			}
		}
	}
}
function initNav()
{
	if (typeof document.body.style.maxHeight == 'undefined')
	{
		var nav = document.getElementById("main-nav");
		if(nav)
		{
			var lis = nav.getElementsByTagName("li");
			for (var i=0; i<lis.length; i++)
			{
				lis[i].onmouseover = function()
				{
					this.className += " hover";
				}
				lis[i].onmouseout = function()
				{
					this.className = this.className.replace(" hover", "");
				}
			}
		}
	}
}

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