// JavaScript Document

  
function Registration_Validate()
{
    if (document.registration_form.name.value == '') 
    {
        alert('Please fill in your name!');
        return false;
    }
    if (document.registration_form.email.value == '') 
    {
       alert('Please fill in your email address!');
       return false;
    }
    if (document.registration_form.username.value == '') 
    {
        alert('Please fill in your desired username!');
        return false;
    }
    if (document.registration_form.password.value == '') 
    {
       alert('Please fill in your desired password!');
      return false;
    }
    if (document.registration_form.password_confirmation.value == '') 
    {
       alert('Please fill in your password again for confirmation!');
      return false;
    }
    if (document.registration_form.password.value != 
    document.registration_form.password_confirmation.value) 
    {
        alert("The two passwords are not identical! "+
        "Please enter the same password again for confirmation");
        return false;
    }
    if (document.registration_form.phone_number.value == '') 
    {
        alert('Please fill in your phone number!');
        return false;
    }
    return true;
}