var cont = "menujs";
var cont_tag = "div";
var nom_cookie_1 = "serie";
var nom_cookie_2 = "opcion";

function cargar() {
	var x = readCookie(nom_cookie_1);
	var y = readCookie(nom_cookie_2);
	for (p=0; p<document.getElementById(x).getElementsByTagName('a').length; p++) {
		if (document.getElementById(x).getElementsByTagName('a')[p].innerHTML == y) {
			document.getElementById(x).getElementsByTagName('a')[p].className = "ahover";
		}
	}
	menujs(x);
}

function menujs(ids) {
	var x = document.getElementById(cont).getElementsByTagName(cont_tag).length;
	var idstring = "";

	for (i = 0; i < x; i++) {
		idstring += document.getElementById(cont).getElementsByTagName(cont_tag)[i].id + ";";
	}

	if (document.getElementById(ids).style.display == "none") {
		document.getElementById(ids).style.display = "block";
	} else {
		document.getElementById(ids).style.display = "none";
	}

	for (j = 0; j < x; j++) {
		var idtxt = idstring.split(';')[j];
		if (idtxt != ids) {
			if (document.getElementById(idtxt).style.display == "block") {
				document.getElementById(idtxt).style.display = "none";
			}
		}
	}

	createCookie(nom_cookie_1, ids)
}

function createCookie(name,value) {
	document.cookie = name + "=" + value + "; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}