wordpress ajax call

function doAjaxRequest(){
     // here is where the request will happen
     console.log("Started");
     jQuery.ajax({
          type: 'GET',
          url: 'http://nextweb.uc.tdcdev.com/wp-admin/admin-ajax.php',
          data:{
               'action':'do_ajax',
               'fn':'adviser_search',
               'query': 'Valerie'
               },
          dataType: 'JSON',
          success:function(data){
            if(data.success) {
                console.log(data);
               alert("It works");
             }
           },
          error: function(errorThrown){
               console.log(errorThrown);
               alert('error');
          }


     });

}