$(function() { $('#user-select').live('change', show_user_info); show_user_info(); }); function show_user_info() { var user_name = $('#user-select').val(); if(user_name) { ShowProgressAnimation(); $('#user-statistics').load(ajax_get_user_stats, "user_name="+user_name, function() { HideProgressAnimation(); }); } else { $('#user-statistics').empty(); } }