function Toggle(item) {
	obj=document.getElementById(item);
	visible=(obj.style.display!="none")
	if (visible) {
		obj.style.display="none";
	} else {
		obj.style.display="block";
	}
}
function ToggleInline(item) {
	obj=document.getElementById(item);
	visible=(obj.style.display!="none")
	if (visible) {
		obj.style.display="none";
	} else {
		obj.style.display="inline";
	}
}
function Show(item) {
	obj=document.getElementById(item);
	obj.style.display="block";
}
function ShowInline(item) {
	obj=document.getElementById(item);
	obj.style.display="inline";
}
function Hide(item) {
	obj=document.getElementById(item);
	obj.style.display="none";
}

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);