<INPUT TYPE="button" VALUE="Maintain directories" onClick='
this.form.user.value = "root";
this.form.useradd.value = "mkdir /var/www/$zone; chown $username /var/www/$zone; ln -s /var/www/$zone $homedir/$zone";
<INPUT TYPE="button" VALUE="Maintain directories" onClick='
this.form.user.value = "root";
this.form.useradd.value = "mkdir /var/www/$zone; chown $username /var/www/$zone; ln -s /var/www/$zone $homedir/$zone";