Dear All, I have a problem of back to the previous page in php..... I need to create a form let people to fill in .It can let user to preview the form, if information is not correct , user can back to previous page and correct it, I have used the javascript : OnClick='history.go(-1)' and OnClick='history.back()' in php , but it can not works....pls help me. Thanks and Regards, Cyrus Chan