function isEmailAddr(email)
{
	var result = false;
	theStr = new String(email);
	index = theStr.indexOf("@");
	if (index > 0)
	{
	var pindex = theStr.indexOf(".",index);
	if ((pindex > index+1) && (theStr.length > pindex+1))
		result= true;
	}
	if (result==false) {
		alert("The email address you entered appears to be invalid");
	}
	return result;
}