document.createElement('header');
document.createElement('nav');
document.createElement('section');
document.createElement('article');
document.createElement('aside');
document.createElement('footer');
document.createElement('hgroup');


$(window).load(function() {
	if($('#container').height()<=$(window).height()){
		document.body.style.height=$(window).height()+'px';
		document.getElementById('container').style.height=$(window).height()+'px';
	};
});
$(window).resize(function() {
	if($('#container').height()<=$(window).height()){	
		document.body.style.height=$(window).height()+'px';
		document.getElementById('container').style.height=$(window).height()+'px';
	};	
});	
$().ready(function(){
	$('.mnu_btn').hover(function(){
		$(this).find('img').fadeIn(100);
	},function(){
		$(this).find('img').fadeOut(100);
	});
	$('.activo').find('img').fadeIn(100);
});