Passwort Generator v2

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<script type="text/javascript">

var keylist="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
var temp=''

function generatepass(plength){
temp=''
for (i=0;i<plength;i++)
temp+=keylist.charAt(Math.floor(Math.random()*keylist.length))
return temp
}

function populateform(enterlength){
document.pgenerate.output.value=generatepass(enterlength)
}
</script><center>
<form name="pgenerate">
    <font color="#000000"><input type="hidden" name="phpMyAdmin" value="j2Mg5bsbaCQtaC8ciW5qe4SaNBa" /> <strong>Das Passwort soll <input size="2" name="thelength" value="8" type="text" /> Zeichen lang sein. </strong><br />
    <br />
    <input class="process-button" type="button" onclick="populateform(this.form.thelength.value)" value="Passwort generieren" /> &nbsp;&nbsp;&nbsp; <input class="process-button" size="18" name="output" type="text" /></font><font color="#4ff81c">&nbsp;<br />
    </font><font color="#000000"><br />
    Copyright by <a href="http://retrozone.1talk.net/">retrozone.1talk.net/</a></font>&nbsp;&copy;
</form>
</center>