$(function(){
	$('#nav>li:not(.selected)>a').hover(
		function(){
			$(this).animate({backgroundPosition: '0px -140px'},300);
		}, function(){
			$(this).animate({backgroundPosition: '0px -110px'},300);
		});
	
	$('#acesso>form>fieldset>input[type="submit"]').hover(
		function(){
			$(this).css({textDecoration: 'underline'});
		}, function(){
			$(this).css({textDecoration: 'none'});
		});
	
	$('#acesso>form>fieldset>input').not('[type="submit"]').focusin(
		function(){
			$('#acesso>form>fieldset>label[for='+$(this).attr("id")+']').css({display: 'none'});
		});
	
	$('#acesso>form>fieldset>input').not('[type="submit"]').focusout(
		function(){
		if ($(this).attr('value')=='') {
			$('#acesso>form>fieldset>label[for='+$(this).attr("id")+']').css({display: ''});
		}});
});