var username_given = false;

function emaildirty(email) {
	if (!username_given) {
		document.forms.newaccount.newusername.value = (at = email.indexOf('@')) == -1 ? email : email.substring(0, at);
	}
}

function validatenewaccount(form) {
	var err = 'Sorry\n';

	if(form.newemail.value == '')
		err += "Email can't be blank\n";

	if(form.newusername.value == '')
		err += "Nickname can't be blank\n";
	
	if(err != 'Sorry\n')
		alert(err);

	return err == 'Sorry\n';
}