sfHover = function()
	{

	var sfEls = document.getElementById("main").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);