function check()
{
  var name=document.subans.name.value;
  if (name=='')
  {
    alert ("The Name field is Blank.\n\nPlease enter your Name.");
	document.subans.name.focus();
	return false;
  }

  var login=document.subans.login.value;
  if (login=='')
  {
    alert ("The e-mail address field is blank.\n\nPlease enter your e-mail address.");
	document.subans.login.focus();
	return false;
  }
  
 // Return false if e-mail field does not contain a '@' and '.' .

 if (document.subans.login.value.indexOf ('@',0) == -1 || document.subans.login.value.indexOf ('.',0) == -1 || document.subans.login.value.length < 9)
 {      
  alert("\nThe email address you have entered is invalid.\n\nPlease re-enter a valid email address.");      		
  document.subans.login.focus();      
  document.subans.login.select();      
  return false;      
 }  	

  var answer=document.subans.answer.value;
  if (answer=='')
  {
    alert ("The Answer field is blank.\n\nPlease enter your Answer.");
	document.subans.answer.focus();
	return false;
  }
  return true;
}