addEvent( window, 'load', load );
var popID;
var tID;
function load() {
inMenu = false;
body = document.getElementsByTagName( "body" )[0];
last = null;

//if( getNode( "somos" ) == null ) return;
var somos  = new MenuP( getNode( "somos" ));
var proye  = new MenuP( getNode( "proyectos" ));
var progr  = new MenuP( getNode( "programas" ));
var inici  = new MenuP( getNode( "iniciativas" ));
var notic  = new MenuP( getNode( "noticias" ));
var inter  = new MenuP( getNode( "interes" ));
var conta  = new MenuP( getNode( "contactenos" ));

//somos.add( new Menu( "Español", "/quienes_somos/" ) );
//somos.add( new Menu( "English", "/quienes_somos/andigena_en.asp" ) );
//somos.add( new Menu( "Français", "/quienes_somos/andigena_fr.asp" ) );
//somos.add( new Menu( "Portugués", "/quienes_somos/andigena_por.asp" ) );
somos.add( new Menu( "Curriculas", "/curriculas/" ) );
somos.create();

proye.add( new Menu( "Oso Andino", "/proyecto_oso_andino/" ) );
proye.add( new Menu( "Danta", "/proyecto_danta/" ) );
proye.add( new Menu( "Atelopus", "/proyecto_atelopus/" ) );
proye.create();

progr.add( new Menu( "Investigadores Asociados", "/investigadores/" ) );
progr.create( );

inici.add( new Menu( "Pato de Torrentes", "/pato_de_torrentes/" ) );
inici.add( new Menu( "Herpetológica", "/herpetologica/" ) );
inici.create( );

inter.add( new Menu( "Banco de Imágenes", "/photos/" ) );
inter.add( new Menu( "Festival De Aves", "/fetival_aves/" ) );
inter.add( new Menu( "Libro de Visitas", "/visitas/" ) );
inter.add( new Menu( "Postales electrónicas", "/postales/" ) );
inter.add( new Menu( "Sitios de interes", "/interes/" ) );
inter.create( );
}

function MenuP ( node ) {
this.node = node;
this.menuItems = new Array();
MenuP.prototype.add = function( menuItem ) {
this.menuItems[ this.menuItems.length ] = menuItem;	
}

MenuP.prototype.create = function( ) {
var dNode = document.createElement( "div" );
dNode.className = "jsMenu";
var str = "_" + this.node.id;
dNode.setAttribute( "id", str );
var w = this.node.offsetWidth;
dNode.style.width = w > 160 ? w+"px" : "160px";
dNode.style.top = ( this.node.offsetTop + this.node.offsetHeight ) + "px";
dNode.style.left = this.node.offsetLeft + "px";
addEvent( this.node, "mouseover", function() { showMenuInTime(str, 150) } );
addEvent( this.node, "mouseout", function() { setInMenu(false) } );
dNode.setAttribute( "pItemID", this.node.id );
addEvent( dNode, "mouseover", function() { setInMenu(true) } );
addEvent( dNode, "mouseout", function() { setInMenu(false) } );
var html = "<ul>";
for( var i=0; i<this.menuItems.length; i++ ) {
	html += this.menuItems[i].getLinkHTML();
}
body.appendChild( dNode );
dNode.innerHTML = html + "</ul>";
}
}

function Menu( value, href ) {
this.value = ( value == null ) ? "" : value;
this.href = ( href == null ) ? "" : href;
if( this.href != "" && typeof useAbsPath != "undefined" )
	if( useAbsPath && this.href.indexOf( "http://" ) == -1 && this.href.indexOf( "https://" ) == -1 )
		this.href = "http://www.opera.com" + this.href;
Menu.prototype.getLinkHTML = function () {
	if( this.value != "" && this.href != "" )
		return "<li><a onclick=\"setInMenu(false); hideMenu(); return true;\" href=\"" + this.href + "\">" + this.value + "</a></li>";
	else if( this.value != "" && this.href == "" )
		return "<li class='heading'>" + this.value + "</li>";
	else
		return "<li class='separator'>&nbsp;</li>";
}
}

function showMenuInTime( node, time ) {
popID = setTimeout( "showMenu('" + node + "')", time );
}

function showMenu( node ) {
clearTimeout( popID );
if( typeof node == "string" )
	node = getNode( node );
if( last != null && last != node )
	hideMenu( last );
else if( last == node ) {
	setInMenu( true );
	return;
}
var pItem = getNode( node.getAttribute( "pItemID" ) );
var menuLeft = 0;
var menuTop = pItem.offsetHeight;
var tmp = pItem;
while(tmp.tagName!="BODY") {
	if( tmp.tagName == "html:body" ) break;
	
	menuLeft += tmp.offsetLeft;
	menuTop  += tmp.offsetTop;
	tmp = tmp.offsetParent;
}
node.style.left = menuLeft + "px";
node.style.top = menuTop + "px";
var w = pItem.offsetWidth;
node.style.width = w > 160 ? w+"px" : "160px";
node.style.display = "block";	
setInMenu( true );
last = node;
tID = setTimeout( "hideMenu( last )", 500 );
}

function hideMenu( node ) {
if( node == null ) {
	setInMenu( false );
	hideMenu( last );
	return;
}
if( typeof node == "string" )
	node = getNode( node );
if( !inMenu ) {
	node.style.display = "none";
	var pItem = getNode( node.getAttribute( "pItemID" ) );
	last = null;
	clearTimeout( tID );
} else
	tID = setTimeout( "hideMenu( last )", 500 );	
}

function setInMenu( value ) {
inMenu = value;	
if( !value ) clearTimeout( popID );
}

function addEvent( node, evtType, func ) {
if( node.addEventListener ) {
	node.addEventListener( evtType, func, false );
	return true;
} else if( node.attachEvent )
	return node.attachEvent( "on" + evtType, func );
else
	return false;
}

function getNode( nodeId ) {
if( document.getElementById )
	return document.getElementById( nodeId );
else if( document.all && document.all( nodeId ) )
	return document.all( nodeId );
else if( document.layers && document.layers[ nodeId ] )
	return document.layers[ nodeId ];
else
	return false;
}