<!-- ******************* ON LOAD **************** -->

function alCargarPagina(menu_ids){
	if(menu_ids!="none"){
		var arr_ids=menu_ids.split("*");
		for(var i=0; i<arr_ids.length; i++){
			despliega(arr_ids[i]);
		}
	}
}

<!-- funciones genéricas -->

function ocultamenu(menu_id){
  var menu = document.getElementById(menu_id);
  menu.style.display = "none";
}
function despliega(menu_id){
  var menu = document.getElementById(menu_id);
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** ACERCA DE ********************************** -->

function ocultamenu_acerca(){
  var menu = document.getElementById("acerca");
  menu.style.display = "none";
}
function despliega_acerca(){
  var menu = document.getElementById("acerca");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** SOCIOS ********************************** -->

function ocultamenu_socios(){
  var menu = document.getElementById("socios");
  menu.style.display = "none";
}
function despliega_socios(){
  var menu = document.getElementById("socios");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** NOTICIAS ********************************** -->

function ocultamenu_noticias(){
  var menu = document.getElementById("noticias");
  menu.style.display = "none";
}
function despliega_noticias(){
  var menu = document.getElementById("noticias");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** SERVICIOS ********************************** -->

function ocultamenu_servicios(){
  var menu = document.getElementById("servicios");
  menu.style.display = "none";
}
function despliega_servicios(){
  var menu = document.getElementById("servicios");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** FOTOGRAFÍAS ********************************** -->

function ocultamenu_fotografias(){
  var menu = document.getElementById("fotografias");
  menu.style.display = "none";
}
function despliega_fotografias(){
  var menu = document.getElementById("fotografias");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}