// when the DOM is ready:
jQuery(document).ready(function() {
  // find the div.fade elements and hook the hover event
  jQuery('div.fade').hover(function() {
    // on hovering over, find the element we want to fade *up*
    var fade = jQuery('> div', this);
    // if the element is currently being animated (to a fadeOut)...
    fade.animate({opacity:1}, {queue:false,duration:250});
  }, function () {
    // on hovering out, fade the element out
    var fade = jQuery('> div', this);
    fade.animate({opacity:0}, {queue:false,duration:250});
  });
});