<tr>
  <form action="list_invoice_show.php">
   <td align="left" valign="top" class="text" bgcolor="#FFFFFF">
   {customer}
   </td>
   <td align="left" valign="top" class="text" bgcolor="#FFFFFF">
   {project}
   </td>
   <td align="left" valign="top" class="text" bgcolor="#FFFFFF">
   <input type=text name="from_date" value="{default_fromdate}" style='width:80px; border: #000000 1px solid; font-family: Verdana, Arial, Geneva, sans-serif; font-size: 10px; color: #000000; background-color: #FFFFFF;'>
   </td>
   <td align="left" valign="top" class="text" bgcolor="#FFFFFF">
   <input type=text name="to_date" value="{default_todate}" style='width:80px; border: #000000 1px solid; font-family: Verdana, Arial, Geneva, sans-serif; font-size: 10px; color: #000000; background-color: #FFFFFF;'>
   </td>
   <td align="left" valign="top" class="text" bgcolor="#FFFFFF">
   {numworks}
   </td>
   <td align="left" valign="top" class="text" bgcolor="#FFFFFF">
   <input type=hidden name="customer" value="{customer}">
   <input type=hidden name="project" value="{project}">
   <input type=submit value="Show" style='width:50px; border: #000000 1px solid; font-family: Verdana, Arial, Geneva, sans-serif; font-size: 10px; color: #000000; background-color: #FADF7E;'>
   </td>
   </form>
  </tr>