// JavaScript Document
$(document).ready(function(){
if (self.screen)
   {
   width = screen.width
   height = screen.height
   }
else if (self.java)
   {
   var jkit = java.awt.Toolkit.getDefaultToolkit();
   var scrsize = jkit.getScreenSize();
   width = scrsize.width;
   height = scrsize.height;
   }
if (width <= '1024' && height <= '768')
{$("#menu").addClass("menu2");
altura = $("#contenido").height();
$("#menu").css("height", altura);
$("#arriba").css("display", "none");
var scroll_timer;
var displayed = false;
var $message = $('#arriba');
var $window = $(window);
var top = $(document.body).children(0).position().top;

$window.scroll(function () {
window.clearTimeout(scroll_timer);
scroll_timer = window.setTimeout(function () { 
if($window.scrollTop() <= top) 
{
displayed = false;
$message.fadeOut(500);
}
else if(displayed == false) 
{
displayed = true;
$message.stop(true, true).fadeIn(500).click(function () { $message.fadeOut(500); });
}
}, 100);
});
$('#top-link').click(function(e) {
e.preventDefault();
$.scrollTo('#top',400);
});
}
else {$("#menu").addClass("menu1");
$("#menu").css("height", height);
$("#arriba").css("visibility", "hidden");
}
						   });