function initNav()
{
	if (typeof document.body.style.maxHeight == 'undefined')
	{
		var nav = document.getElementById("main-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 (document.all && !window.opera)
	attachEvent("onload", initNav);