Maybe this will help...source of page pertaining to this issue. ...
<tr><form name="new_special" action="https://www.mydomain.com/catalog/admin/specials.php?page=1&action=insert" method="post"> <td><br><table border="0" cellspacing="0" cellpadding="2">
<tr>
<td class="main">Product: </td>
<td class="main"><select name="products_id" style="font-size:10px"></select><input type="hidden" name="products_price"></td>
</tr>
<tr>
<td class="main">Special Price: </td>
<td class="main"><input type="text" name="specials_price"></td>
</tr>
<tr>
<td class="main">Expiry Date: </td>
<td class="main"><input type="text" name="day" size="2" maxlength="2" class="cal-TextBox"><input type="text" name="month" size="2" maxlength="2" class="cal-TextBox"><input type="text" name="year" size="4" maxlength="4" class="cal-TextBox"><a class="so-BtnLink" href="java script:calClick();return false;" onmouseover="calSwapImg('BTN_date', 'img_Date_OVER',true);" onmouseout="calSwapImg('BTN_date', 'img_Date_UP',true);" onclick="calSwapImg('BTN_date', 'img_Date_DOWN');showCalendar('new_special','dteWhen','BTN_date');return false;"><img src="images/cal_date_up.gif" border="0" alt="Calendar" title=" Calendar " width="22" height="17" align="absmiddle" name="BTN_date"></a></td>