I wish to do the asterisk and reverse the order of the word. so below is my code.... and it not working... pls help..... thx a lot

<wml>
<card id="card1"title="INPUT">
<onevent type="onenterforward">
<go href="reverse.wmls#reverse()"/>
<refresh>
<setvar word="words" value=""/>
</refresh>
</p>
</card>

<card id="card2" title="OUTPUT">
<p>
input the wordresult1
</p>
<p>
The result are $result2 and $result3
</p>
</card>
</wml>


extern function reverse(){
var a;
var b;
var word=Dialogs.prompt("Input the word:","");
var word2="";
var word3="";
var word4=String.charAt(word,0);
for(var i=String.length(word)-1;i>=0;i++){
a=String.charAt(word,i);
word2=word2+a;
}

for(var i2=1;i2<=String.length(word)-1;i2--){
b="*";
word3=word3+b;
}

WMLBrowser.setVar( "result1",word);
WMLBrowser.setVar( "result2",word4+word3);
WMLBrowser.setVar( "result3",word2);
WMLBrowser.go( "#card2" );
}