My Database info is :

CREATE TABLE IF NOT EXISTS `members` (
`id` int(11) NOT NULL auto_increment,
`username` varchar(255) NOT NULL,
`password` varchar(255) NOT NULL,
`email` varchar(255) NOT NULL,
`points` varchar(255) NOT NULL,
`completed_surveys` varchar(255) NOT NULL,
`referral_ID` varchar(255) NOT NULL,
`ip` varchar(255) NOT NULL,
`date` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=1 ;

how to make postback for this

and how to enter info in USER_ID in script <iframe src="http://www.superrewards-offers.com/super/offers?h=gojrmyhupop.881795164863&uid=USER_ID" frameborder="0" width="728" height="2400" scrolling="no"></iframe>

Please help me please