var logo;
var paso = 1;
var t;
var t2;

var ancho = window.screen.width;
var alto = window.screen.height;
var ANCHO_HIJA = 800;
var ALTO_HIJA = 590;
var position_TOP = (alto -ALTO_HIJA)/2;
var position_LEFT = (ancho -ANCHO_HIJA)/2;


window.onload = function() {
	//logo = document.getElementById("logo");
	set_triggers();
	//cambia_fondo();
}

function set_triggers() {
	//logo.onclick = fclick;
	document.getElementById("entrarLink").onclick = function() {abre_ventana();return false;}
}

function fclick() {
	if (paso == 1) {
		clearInterval(t);
		set_fondo();
		paso++;
	}
	else {
		clearInterval(t2);
		abre_ventana()
	}	
}

function cambia_fondo() {
	t = setTimeout('set_fondo()',3500);	
}

function set_fondo() {
	logo.className = 'fondo2';
	t2 = setTimeout('abre_ventana()',3500);	
}

function abre_ventana() {
	var	ventana	= window.open("menu.html","pgou","toolbar=no,directories=no,menubar=0,scrollbars=no,location=no,status=no,menubar=no,resizable=no,width=800,height=590,left=" + position_LEFT + ",top=" + position_TOP ); }