function validate_required(field,alerttxt)
{
with (field)
  {
  if (
  value==null||
  value==""||
  value=="State"||
  value=="Please Select"||
  value=="Post Code"||
  value=="1 week"||
  value=="State"||
  value=="Suburb/Area"
  )
    {alert(alerttxt);return false;}
  else
    {return true;}
  }
}

function validate_form(thisform)
{
with (thisform)
  {
  if (validate_required(firstname,"Firstname Required")==false) {firstname.focus();return false;}
  if (validate_required(surname,"Surname Required")==false) {surname.focus();return false;}
  if (validate_required(email,"E-Mail Required")==false) {email.focus();return false;}
  if (validate_required(emailconfirm,"E-Mail Confirmation Required")==false) {emailconfirm.focus();return false;}
  if (validate_required(mobile,"Mobile Required")==false) {mobile.focus();return false;}
  }
}