<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>test</title> <SCRIPT LANGUAGE="VBScript"> <!-- Sub change() Dim TheForm Set TheForm = Document.test TheForm.Text1.disabled =true End Sub Sub r_change() Dim TheForm Set TheForm = Document.test TheForm.Text1.disabled =false End Sub --> </SCRIPT> </head> <body> <form name = "test"> <tr> <td> <input type =radio value=radio1 name= "RADIO1" CHECKED = TRUE onchange = "r_change()"> yes</input> <input type =radio value=radio2 name="RADIO1" onchange = "change()"> no</input> </td> </tr> <input type = text name = text1 ></input> </from> </body> </html>