need some help in WML

[ryanokc]

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 word:$result1
    </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" );
}