function update_location_zip(){var row_elm=document.getElementById('location_zip_row');var selected_country=document.joinform.location_country.value;if(selected_country==1||selected_country==42){document.getElementById('ziptext').innerHTML=(selected_country==1)?"Enter your ZIP code":"Enter your Postal code";row_elm.className="display_table-row";}else{row_elm.className="display_none";}}
var username_timeout=false;var last_attempted_username=false;function check_username(is_timeout){var username=document.joinform.user_username.value;if("undefined"==typeof(is_timeout)){if(false!==username_timeout){username_timeout=false;return;}else{clearTimeout(username_timeout);}}
if(''!=username){if(last_attempted_username!=username){var ajax=new AJAX();ajax.processResponse=function(response){if(null!=response&&''!=response){set_username_feedback(response,"error_small");}else{set_username_feedback("Great username!","success_small");}}
ajax.fetch("/joinnow_ajax.html?u="+username);last_attempted_username=username;}}else{reset_username_feedback();}}
function check_username_timeout(){var username=document.joinform.user_username.value;if(username.length>=4){clearTimeout(username_timeout);username_timeout=setTimeout("check_username("+true+")",2000);}else{reset_username_feedback();}}
function reset_username_feedback(){set_username_feedback("(This name will appear on your profile)","");last_attempted_username=false;}
function set_username_feedback(msg,class_name){var feedback_elm=document.getElementById('username_feedback');feedback_elm.innerHTML=msg;feedback_elm.className=class_name;}