function validateNumbers(field) {
	var valid = "0123456789"
	var ok = true;
	var temp;
	for (var i = 0; i < field.value.length; i++) {
	  temp = "" + field.value.substring(i, i + 1);
	  if (valid.indexOf(temp) == "-1") ok = false;
	}
	if (ok == false) {
	  field.focus();
	  field.select();
	  return false;
	}
	else { return true; }
}

function checkIfValid() {
	if (document.getElementById('IAID').value == '') {
		alert('Please type your Member ID or Affiliate ID.');
		document.getElementById('IAID').focus();
		return false; 
	}
	if (document.getElementById('password').value == '') {
		alert('Please type your Password.');
		document.getElementById('password').focus(); 
		return false;
	}
	document.getElementById("frmLogin").submit();
}