<div id="invoice_form" style="display:none;">
<div>
<h2>New invoice</h2>

<form action="/contacts/1/invoices" class="new_invoice" id="new_invoice" method="post"><div style="margin:0;padding:0"><input name="authenticity_token" type="hidden" value="qiJv3k2TeYqL2V5uSVZBqwAgY1RdY8MKdq5qonVngc8=" /></div>


  <p>
    <label for="invoice_po_number">Po number</label><br />
    <input id="invoice_po_number" name="invoice[po_number]" size="30" type="text" />
  </p>

  <p>
    <input id="invoice_submit" name="commit" type="submit" value="Create Invoice" /> or <input value="Cancel" type="button"
onclick="Effect.SlideUp('invoice_form'); return false;">

  </p>
</form>
</div>
</div>