// JavaScript Document
function ver_inicio(){
	document.getElementById('inicio_menu').style.display="block";
	document.getElementById('igvsb_menu').style.display="none";
	document.getElementById('proyser_menu').style.display="none";
	document.getElementById('contactenos_menu').style.display="none";
}
function ver_igvsb(){
	document.getElementById('igvsb_menu').style.display="block";
	document.getElementById('inicio_menu').style.display="none";
	document.getElementById('proyser_menu').style.display="none";
	document.getElementById('contactenos_menu').style.display="none";
}
function ver_proyser(){
	document.getElementById('proyser_menu').style.display="block";
	document.getElementById('inicio_menu').style.display="none";
	document.getElementById('igvsb_menu').style.display="none";
	document.getElementById('contactenos_menu').style.display="none";
}
function ver_contactenos(){
	document.getElementById('contactenos_menu').style.display="block";
	document.getElementById('inicio_menu').style.display="none";
	document.getElementById('igvsb_menu').style.display="none";
	document.getElementById('proyser_menu').style.display="none";
}