function showPopup(popUp) {popUp.slideDown(400).data('visible',true);}
function hidePopup(popUp) {popUp.slideUp(400,function(){popUp.data('visible',false)});}

$(function() {
    var popUp=$('#networkBarPopup');
    var currentWindow=$(window);

    $('#networkBarButton').bind('mouseenter', function() {if (!popUp.data('visible')) {showPopup(popUp);}});
    $('#networkBar').bind('mouseleave', function() {if (popUp.data('visible')) {hidePopup(popUp);}});


});