Help java script fortune telling

Javascript code: function f (o) {if (o.value% =1) {alert ("ji"); }else(alert); }} Code in the body:

The complete code is as follows:

& lt！ DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " " http://www . w3 . org/TR/XHTML 1/DTD/XHTML 1-Transitional . DTD " & gt；

& lthtml xmlns = " http://www . w3 . org/ 1999/XHTML " & gt；

& lthead & gt

& ltmeta http-equiv = " Content-Type " Content = " text/html； charset=gb23 12" />

& lttitle & gt untitled document

& lt scripting language = "javascript">

Function f(){

var o = document . getelementbyid(" in ")；

if(o.value%2== 1){

Alert ("Ji");

} Otherwise {

Alert ("fierce");

}

}

& lt/script & gt；

& lt/head & gt；

& ltbody & gt

& ltdiv id = " show " style = " margin-top: 100 px；" align="center " >

& ltinput type = " text " name = " in " id = " in "/& gt；

& lt input type = "button" name = "Bt" value = "Start fortune telling" onclick = "f ()"/>

& lt/div & gt；

& lt/body & gt；

& lt/html & gt；