$(function() {$('#activator_social_rides').click(function(){
    $('#overlay').fadeIn('fast',function()
    {$('#box_social_rides').animate({'top':'45px'},500);});});
  $('#boxclose_social_rides').click(function(){
    $('#box_social_rides').animate({'top':'-1500px'},500,function(){
      $('#overlay').fadeOut('fast');});});});