fixed up the check-sk feature

helios/templates/election_view.html

@@ -259,7 +259,7 @@ You are <em>not eligible</em> to vote in this election, because registration is
 verify <a target="_blank" href="/verifier/verify.html?election_url={% url helios.views.one_election election.uuid %}">election tally</a>.
 {% endif %}
 
-review the <a href="{{SECURE_URL_HOST}}/booth/vote.html?election_url={% url helios.views.one_election election.uuid %}">voting booth</a>.
+review the <a href="{{vote_url}}">voting booth</a>.
 </p>
 
 {% endif %}

helios/templates/trustee_check_sk.html

@@ -43,7 +43,7 @@ function check_sk(sk_value) {
     }
 }
 </script>
-  <h2 class="title">{{election.name}} &mdash; Trustee {{trustee.name}} &mdash; Check Secret Key</span></h2>
+  <h2 class="title">{{election.name}} &mdash; Trustee {{trustee.name}} &mdash; Check Secret Key <span style="font-size:0.7em;">[<a href="./home">back to trustee home</a>]</span></h2>
 
 <p>
 Your public key fingerprint is: <b>{{trustee.public_key_hash}}</b>
@@ -58,7 +58,7 @@ loading crypto functions...
 To verify that you have the right secret key, paste it here:
 <p>
 
-<form onsubmit="check_sk(this.secret_key.value); return false;">
+<form onsubmit="check_sk(this.secret_key.value); this.secret_key.value=''; return false;">
 <textarea name="secret_key" cols="60" rows ="5" wrap="soft">
 </textarea>
 <br />