// ************************************
// Funciones para el menú
// ************************************

if (document.getElementById){
	document.write('<style type="text/css">')
	document.write('.switchcontent{display:none;}')
	document.write('</style>')
}

var browser = navigator.appName;
if (browser.indexOf("Netscape") >= 0) {
	document.write('<link href="../css/menu_ff.css" rel="stylesheet" type="text/css">');
}
if (browser.indexOf("Microsoft") >= 0) {
	document.write('<link href="../css/menu_ie.css" rel="stylesheet" type="text/css">');
}

function muestra(DivName) {
	if (document.getElementById(DivName).style.display != "block") {
		document.getElementById(DivName).style.display = "block";
	} else {
		document.getElementById(DivName).style.display = "none"; 
	}
}


function manda(objeto) {
if (document.boletin.year.options[document.boletin.year.selectedIndex].value != "")
location=document.boletin.year.options[document.boletin.year.selectedIndex].value
}