validation_utils.js
function hasFieldsExcept(obj, arrFields){
	for (var field in obj)
		if (arrFields.indexOf(field) === -1)
			return true;
	return false;
}
function hasFieldsExcept(obj, arrFields){
	for (var field in obj)
		if (arrFields.indexOf(field) === -1)
			return true;
	return false;
}
function hasFieldsExcept ( obj , arrFields ) { for ( var field in obj ) if ( arrFields . indexOf ( field ) === - 1 ) return true ; return false ; }
True if there is at least one field in obj that is not in arrFields.
True if there is at least one field in obj that is not in arrFields .