function checkform(form) {

  if (form.name.value == "") {
    alert( "Please enter your Name." );
    form.name.focus();
    return false ;
  }
  
  if (form.email.value == "") {
    alert( "Please enter your email." );
    form.email.focus();
    return false ;
  }
    
  if (form.email.value != form.email2.value) {
    alert( "Your email addresses do not match, please check them and try again." );
    form.email2.focus();
    return false ;
  }
  
  if (form.company.value == "") {
    alert( "Please enter your Company Name." );
    form.company.focus();
    return false ;
  }

  if (form.phone.value == "" && form.cell.value == "") {
    alert( "Please enter your Phone Number." );
    form.phone.focus();
    return false ;
  }

	if (form.subject.value == "") {
    alert( "Please enter the subject of your enquiry." );
    form.subject.focus();
    return false ;
  }
  
  if (form.message.value == "") {
    alert( "Please enter your message." );
    form.message.focus();
    return false ;
  }
  
  return true ;
}