function CheckForm(oForm) {
	if (oForm.username.value == '' || oForm.username.value.length < 6) {
		alert('Please enter a username');
		oForm.username.focus();
		return false;
	}
	if (!IsEmailValid(oForm.email_address)) {
		alert('Please enter a valid email address');
		oForm.email_address.focus();
		return false;
	}
}