sfHover = function()
{
	var sfEls = document.getElementById("menu").getElementsByTagName("li");
	for ( var i = 0; i < sfEls.length; i++)
	{
		sfEls[i].onmouseover = function()
		{
			this.className += " sfhover";
		}
		sfEls[i].onmouseout = function()
		{
			this.className = this.className.replace(new RegExp(" sfhover\\b"),
					"");
		}
	}
}
if (window.attachEvent)
	window.attachEvent("onload", sfHover);