$(document).ready(function(){
    

    $('#pageFooterBUTTON a').toggle(function(e){
        e.preventDefault();
        
        $('#pageFooter').animate({
            bottom: -180  
        }, 1000, function(){
            // animation end
            $('#pageFooterBUTTON a img').attr('src', 'public/images/bottom_arrow_up.png')
        });
        
    }, function(e){
        e.preventDefault();
        
        $('#pageFooter').animate({
            bottom: 0
        }, 1000, function(){
            // animation end
            $('#pageFooterBUTTON a img').attr('src', 'public/images/bottom_arrow_down.png')
            
        });

    });
    
});