function validatesignup()
{
  if($('Firstname') == '') { alert('You must fill in your First Name'); return false; }
  if($('Surname') == '') { alert('You must fill in your Surname'); return false; }
  if($('Company') == '') { alert('You must fill in your Company'); return false; }
  if($('Address') == '') { alert('You must fill in your Address'); return false; }
  if($('Suburb') == '') { alert('You must fill in your Suburb'); return false; }
  if($('State') == '') { alert('You must fill in your State'); return false; }
  if($('Postcode') == '') { alert('You must fill in your Postcode'); return false; }
  if($('Email') == '') { alert('You must fill in your Email'); return false; }
  if($('Phone') == '') { alert('You must fill in your Phone'); return false; }
  if($('Username') == '') { alert('You must fill in your Username'); return false; }
  if($('Password') == '') { alert('You must fill in your Password'); return false; } 
}