// JavaScript Document

  sfHover = function() {

	  var sfEls = document.getElementById("nav_level_1").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);