function show_divnascosto(idDiv) {
	if(jQuery('html').offset().top != '0') {
		jQuery('html, body').animate({
		scrollTop: jQuery('body').offset().top
		}, 500);
		setTimeout(function(){
			if(jQuery('#'+idDiv).css('visibility') == 'hidden') {
				jQuery('#'+idDiv).css({'visibility' : 'visible'});
				jQuery('#'+idDiv).animate({
					opacity : '0.7'
				}, 500, 'easeInOutQuart');
				jQuery('#'+idDiv).next().fadeIn(500);
			} else {
				jQuery('#'+idDiv).animate({
					opacity : '0'
				}, 500, 'easeInOutQuart');
				jQuery('#'+idDiv).next().fadeOut(500);
				setTimeout(function(){
					jQuery('#'+idDiv).css({'visibility' : 'hidden'});
				},500);
			}
		},500);
	} else {
		if(jQuery('#'+idDiv).css('visibility') == 'hidden') {
			jQuery('#'+idDiv).css({'visibility' : 'visible'});
			jQuery('#'+idDiv).animate({
				opacity : '0.7'
			}, 500, 'easeInOutQuart');
			jQuery('#'+idDiv).next().fadeIn(500);
		} else {
			jQuery('#'+idDiv).animate({
				opacity : '0'
			}, 500, 'easeInOutQuart');
			jQuery('#'+idDiv).next().fadeOut(500);
			setTimeout(function(){
				jQuery('#'+idDiv).css({'visibility' : 'hidden'});
			},500);
		}
	}
}