function support_switchto_email() {
    document.getElementById('support_email_switch').src='/.file/optiongreybg_o.gif';
    document.getElementById('support_phone_switch').src='/.file/optiongreybg.gif';
    document.getElementById('support_method_field').value = "email";
}
function support_switchto_phone() {
    document.getElementById('support_email_switch').src='/.file/optiongreybg.gif';
    document.getElementById('support_phone_switch').src='/.file/optiongreybg_o.gif';
    document.getElementById('support_method_field').value = "phone";
}