sfHover = function() {


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

    if (sfEls)
    {
    
        sfEls=sfEls.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);