<!-- ********************************** DESHABILITAR BOTON DERECHO ********************************** -->

function derecha(e) {
if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)){
alert('Botón derecho inhabilitado, perdonen las molestias')
return false;
}

else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2)){
alert('Botón derecho inhabilitado, disculpen las molestias')
}
}
document.onmousedown=derecha


<!-- ******************* 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";
    }
}

<!-- ********************************** AEPPI ********************************** -->

function ocultamenu_aeppi(){
  var menu = document.getElementById("aeppi");
  menu.style.display = "none";
}
function despliega_aeppi(){
  var menu = document.getElementById("aeppi");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** AEPPI ********************************** -->

function ocultamenu_empresas(){
  var menu = document.getElementById("empresas");
  menu.style.display = "none";
}
function despliega_empresas(){
  var menu = document.getElementById("empresas");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** TRABAJO ********************************** -->

function ocultamenu_trabajo(){
  var menu = document.getElementById("trabajo");
  menu.style.display = "none";
}
function despliega_trabajo(){
  var menu = document.getElementById("trabajo");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** CANALES ********************************** -->

function ocultamenu_canales(){
  var menu = document.getElementById("canales");
  menu.style.display = "none";
}
function despliega_canales(){
  var menu = document.getElementById("canales");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** ENLACES ********************************** -->

function ocultamenu_enlaces(){
  var menu = document.getElementById("enlaces");
  menu.style.display = "none";
}
function despliega_enlaces(){
  var menu = document.getElementById("enlaces");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}

<!-- ********************************** DOCUMENTACION ********************************** -->

function ocultamenu_documentacion(){
  var menu = document.getElementById("documentacion");
  menu.style.display = "none";
}
function despliega_documentacion(){
  var menu = document.getElementById("documentacion");
    if(menu.style.display == "block"){
      menu.style.display = "none";
    }
    else{
      menu.style.display = "block";
    }
}