sfHover = function() {
	var sfEls = document.getElementById("menu").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 toggle(id){
	if (document.getElementById){
		var el = document.getElementById(id);
		el.style.display = (el.style.display == 'block') ? 'none' : 'block';
	}
}
function toggleon(id){
	if (document.getElementById){
		var el = document.getElementById(id);
		if(el){
			el.style.display = 'block';
		}
	}
}
function toggleoff(id){
	if (document.getElementById){
		var el = document.getElementById(id);
		if(el){
			el.style.display = 'none';
		}
	}
}