// JavaScript Document
function initMenu(){
	MM_preloadImages('/imgDocumenta/enciclopedia/gif/ico_menos_'+mundo+'.gif')
	var idd = get_cookie ("pequemenu");
	if(idd!= null){
		mostrarMenuA(idd)	
	}	
}
function mostrarMenuA(idd){
	var menup= idd.split("_")
	if(menup.length ==1){
		mostrarMenu("im"+menup[0], "m"+menup[0] )	
	}else{
		mostrarMenu2("im"+menup[0]+"_"+menup[1], "m"+menup[0]+"_"+menup[1] )
		mostrarMenu("im"+menup[0], "m"+menup[0] )
	}
	setMenu(idd)
}
document.act= 0;
document.actb = 0;
document.act2= 0;
document.actb2 = 0;

function mostrarMenu(obm, me ){
	var idd= Number(obm.replace("im", ""))
	var ob = MM_findObj(obm)
	var mm = MM_findObj(me)	
	if(mm.style.visibility=="hidden"){
		m = String(ob.src).replace("_mas", "_menos");
		ob.src= m;		
		mm.style.position="relative";
		mm.style.visibility="visible";			
		if(document.act!= 0 && document.act!= mm){
			document.act.style.visibility="hidden"
			document.act.style.position="absolute";
			m = String(document.actb.src).replace("_menos", "_mas");
			document.actb.src = m;
			if(document.act2!= 0 ){
				document.act2.style.visibility="hidden"
				document.act2.style.position="absolute";
				m = String(document.actb2.src).replace("_menos", "_mas");
				document.actb2.src = m;
			}			
		}
		setMenu(idd)
		document.act= mm;
		document.actb= ob;
	}else{
		m = String(ob.src).replace("_menos", "_mas");
		ob.src= m;	
		mm.style.visibility="hidden"
		mm.style.position="absolute";		
		if(document.act2!= 0 ){
			document.act2.style.visibility="hidden"
			document.act2.style.position="absolute";
			m = String(document.actb.src).replace("_mas", "_menos");
			document.actb2.src = m
		}
		delete_cookie("pequemenu");
	}
}
function mostrarMenu2(obm, me ){
	var idd= obm.replace("im", "");
	var menup= idd.split("_")
	var ob = MM_findObj(obm)	
	var mm = MM_findObj(me)	
	if(mm.style.visibility=="hidden"){
		m = String(ob.src).replace("_mas", "_menos");
		ob.src= m;
		mm.style.visibility="visible"		
		mm.style.position="relative";	
		if(document.act2!= 0 && document.act2!= mm){
			document.act2.style.visibility="hidden"
			document.act2.style.position="absolute";
			m = String(document.actb2.src).replace("_menos", "_mas");
			document.actb2.src = m;		
		}
		setMenu(idd)
		document.act2= mm;
		document.actb2= ob;
	}else{
		m = String(ob.src).replace("_menos", "_mas");
		ob.src= m;
		mm.style.visibility="hidden"
		mm.style.position="absolute";		
		setMenu(menup[0])
	}

}
function set_cookie ( name, value, exp_y, exp_m, exp_d, path, domain, secure )
{
  var cookie_string = name + "=" + escape ( value );

  if ( exp_y )
  {
    var expires = new Date ( exp_y, exp_m, exp_d );
    cookie_string += "; expires=" + expires.toGMTString();
  }

  if ( path )
        cookie_string += "; path=" + escape ( path );

  if ( domain )
        cookie_string += "; domain=" + escape ( domain );
  
  if ( secure )
        cookie_string += "; secure";
  
  document.cookie = cookie_string;
}

function get_cookie ( cookie_name )
{
  var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );

  if ( results )
    return ( unescape ( results[1] ) );
  else
    return null;
}
function delete_cookie ( cookie_name )
{
  var cookie_date = new Date ( );  // current date & time
  cookie_date.setTime ( cookie_date.getTime() - 1 );
  document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}

function setMenu(id){
    var current_date = new Date;
    var cookie_year = current_date.getFullYear ( ) ;
    var cookie_month = current_date.getMonth ( );
    var cookie_day = current_date.getDate ( )+1;
    set_cookie ( "pequemenu", id, cookie_year, cookie_month, cookie_day );
}
function getMenu(){
  var idd = get_cookie ( "pequemenu" );
  if(idd!= null){
		
  }
}
function setMenuIndex(id){
	delete_cookie("pequemenu");
	setMenu(id)
}