var timeout    = 500;
var bottommenuitem = 0;
var bottomclosetimer = 0;

  function bottom_menu_open() {
    bottom_menu_canceltimer();
    bottom_menu_close();
    bottommenuitem = $(this).find('span').css('visibility', 'visible');
  }

  function bottom_menu_close() {
    if(bottommenuitem) bottommenuitem.css('visibility', 'hidden');
  }

  function bottom_menu_timer() {
    bottomclosetimer = window.setTimeout(bottom_menu_close, timeout);
  }

  function bottom_menu_canceltimer()
  {
    if(bottomclosetimer) {
      window.clearTimeout(bottomclosetimer);
      bottomclosetimer = null;
    }
  }

$(document).ready(function() {

  $('.music_player').bind('mouseover', bottom_menu_open);
  $('.music_player').bind('mouseout', bottom_menu_timer);

});