// JavaScript Document
  sfHover = function()
		{
		var sfEls = document.getElementById("topnav").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);