function check_username()
{

	xml = _Value('username');
	_Find('check_username_result').innerHTML = '';
	ajax_callback_return_js("handlers/ajax.joincheckusername.php",xml);	
	
}


function check_email()
{

	xml = _Value('email');
	_Find('check_email_result').innerHTML = '';
	ajax_callback_return_js("handlers/ajax.joincheckemail.php",xml);	
	
}