function isEmailAddr(email)
	{
	  var result = false;
	  var theStr = new String(email);
	  var index = theStr.indexOf("@");
	  if (index > 0)
	  {
		var pindex = theStr.indexOf(".",index);
		if ((pindex > index+1) && (theStr.length > pindex+1))
		result = true;
	  }
	  return result;
	}

	function validRequired(formField,fieldLabel)
	{
		var result = true;

		if (formField.value == "")
		{
			alert('Please enter a value for the "' + fieldLabel +'" field.');
			formField.focus();
			result = false;
		}

		return result;
	}

	function validEmail(formField,fieldLabel,required)
	{
		var result = true;

		if (required && !validRequired(formField,fieldLabel))
			result = false;

		if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
		{
			alert("Please enter a complete email address in the form: yourname@yourdomain.com");
			formField.focus();
			result = false;
		}

	  return result;

	}