sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			//alert("over");
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			//alert("out");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function ToggleBlock(id)
{
	var e = document.getElementById(id);
	e.style.display = ( e.style.display == "block" ? "none" : "block" );
}

function ToggleInline(id)
{
	var e = document.getElementById(id);
	e.style.display = ( e.style.display == "inline" ? "none" : "inline" );
}