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;
  }