<!-- funciones ABRIR VENTANA -->
var winName="titulo" 
function Abrir_Ventana(theURL,w,h) { 

var windowprops ="top=0,left=0,toolbar=no,location=no,status=no, menubar=no,scrollbars=no, resizable=no,width=" + w + ",height=" + h;

window.open(theURL,winName,windowprops); 
} 

function Abrir_Ventana2(theURL,w,h) { 
	var windowprops ="top=50,left=100,toolbar=no,location=no,status=no, menubar=no,scrollbars=no, resizable=no,width=" + w + ",height=" + h;
	window.open(theURL,winName,windowprops); 
} 


<!-- funciones de gestión MENU -->
function ocultamenu(elemento){
  var menu = document.getElementById(elemento);
  menu.style.display = "none";
}

function despliega(elemento){
  var menu = document.getElementById(elemento);
    if(menu.style.display == "none"){
      menu.style.display = "block";
    }
    else{
      menu.style.display = "none";
    }
}

function ocultatodos(elemento){
  var menu = document.getElementById("menu_concello");
  menu.style.display = "none";
  var menu = document.getElementById("menu_servizos");
  menu.style.display = "none";
  var menu = document.getElementById("menu_turismo");
  menu.style.display = "none";
  var menu = document.getElementById("menu_cultura");
  menu.style.display = "none";
  var menu = document.getElementById("menu_situacion");
  menu.style.display = "none";
  var menu = document.getElementById("menu_poboacion");
  menu.style.display = "none";
  var menu = document.getElementById("menu_xeografia");
  menu.style.display = "none";
  var menu = document.getElementById("menu_online");
  menu.style.display = "none";
  var menu = document.getElementById(elemento);
   menu.style.display = "block";
}


function peich(url){ window.open (url,"", "toolbar=no, location=no, directories=no, status=0, menubar=no, scrollbars=no, resizable=no,width=750, height=325");}