// Mostrar - ocultar info

function mostrar(item) {
    div = document.getElementById(item);
    div.style.display = '';
}

function ocultar(item) {
    div = document.getElementById(item);
    div.style.display='none';
}



// menu

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 nav_to(value) {
	if (value != "") {
		location.href = value;
	}
}