$(document).ready(function($){	
	if (($.browser.msie && $.browser.version != '6.0') || !$.browser.msie){
	
	//action for balls of header
	$('#details #conteudo #navigation-bar ul li').mouseover(
		function(e) {			
		//var id = $(this).attr('class');
		$(this).find('a').stop()
			.animate({
				opacity:'.1'		
			},{queue:false, duration:600}
		);
	});
	
	$('#details #conteudo #navigation-bar ul li').mouseout(
		function(e) {		
		
		$(this).find('a').stop()
			.animate({
				opacity:'1'
			}, {queue:false, duration:600});		
	});		
	}
});