sfHover = function() {
	var sfEls = document.getElementById("nav").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);
  
function bookmark() { 
	var url = window.location.href;
		if (window.sidebar) {
			window.sidebar.addPanel(document.title, url, "");
		} else if (window.external) { 
			window.external.AddFavorite(url, document.title);
		} else { 
	alert("Sorry! Your browser doesn't support this function. Please use the bookmark option in your browser instead."); 
	} 
}