$(function() {
    $('.rankMixed .selectionButtons a').click(function(e) {
       /* fix classes */       
       $('.rankMixed .selectionButtons li.current').removeClass('current');
       $(e.target).parent('li:first').addClass('current');
       
       /* build url */ 
       var urlParts = e.target.href.split(/\//);
       var ageGroup = urlParts[ (urlParts.length - 1) ];
       $('.rankMixed .rankPeople').load('/rank/top.mixed/age/'+ ageGroup);
       
       return false;
    });
});