function checkData(w,l)
{
	// required field
	if(w.email && !validEmail(w.email.value, "E-mail",l))
	{	w.email.focus();
		return false;
	}
	
        // if not empty, validate the contents
	if (w.password && !validName(w.password.value, "Password",l))
	{	w.password.focus();
		return false;
	}

	return true;
}