$(function(){
	$('#menu').css('visibility','visible');
	var menu =0;
$('#abre_menu').click(function(){
	if(menu!=0){
	$('#menu').animate({top:42},800,function(){
		$('#abre_menu').css('background-position','0 -87px');
		});
	menu =0;
	}else{
	$('#menu').animate({top:156},800,function(){
		$('#abre_menu').css('background-position','-96px -87px');
		});	
	menu =1;
		}
	});
	$('#lock,#div_lock').hover(function(){
		$('#div_lock').stop().fadeTo('slow',0.7);
		$('#lock').css('background-position','-568px 0'); 
	},function(){
		$('#lock').css('background-position','-483px 0'); 
		$('#div_lock').stop().fadeTo('slow',0);
	})
});