Your script works ok when I test it out - the information is sent to the specified email address - although I don't know what the below code has to do with it all? (I've blanked the email addresses to avoid spam)
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>.:vonhaucke:.</title>
<link href="contacto.css" rel="stylesheet" type="text/css" media="screen" />
</head>
<body>
<table align="center" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="372"> </td>
<td width="278" class="margen"><div id="logo" class="logo"><img src="img/logovonhaucke.png" width="228" height="71" alt="Vonhaucke" title="Vonhaucke"></div></td>
</tr>
<tr>
<td style="border-bottom:#CCC solid 1px; border-top:#CCC solid 1px;"><h1>Contacto</h1></td>
<td style="border-bottom:#CCC solid 1px; border-left:#CCC solid 1px; border-top:#CCC solid 1px;"> </td>
</tr>
<tr>
<td valign="top" align="right">
<div id="contact" align="right">
<form action="#" method="post">
<p align="center">Mensaje enviado correctamente</p>
<input type="button" onClick="parent.$.modal().close()" value="Cerrar">
</form>
</div>
</td>
<td class="margen">
<div id="direccion">
<strong>Aguascalientes</strong><br />T :: 014499145150.<br />E-mail :: xxxxxxxxx@xxxxxxxx<br />
<strong>Bajio</strong><br />T :: 014422150577.<br />E-mail :: xxxxxxxxx@xxxxxxxx<br />
<strong>Cancún</strong><br />T :: 019988920272.<br />E-mail :: xxxxxxxxx@xxxxxxxx<br />
<strong>Hidalgo</strong><br />T :: 0445539243356.<br />E-mail :: xxxxxxxxx@xxxxxxxx<br />
<strong>Puebla</strong><br />T :: 012224661905.<br />E-mail :: xxxxxxxxx@xxxxxxxx<br />
<strong>Toluca</strong><br />T :: 017222714990.<br />E-mail :: xxxxxxxxx@xxxxxxxx<br />
<strong>Nueva York</strong><br />(800) 7113572<br />Sherry Mitchel Inc. Vonhaucke<br />P.O. Box 3035<br />Sea Bright, N,J. 07760
</div> <br />
</td>
</tr>
<tr>
<td colspan="2" align="center">
<div id="ubicacion">Paseo de la Reforma 284 PH, Col. Juárez, Del. Cuauhtémoc, C.P. 06600, México D.F. T.(55) 5999 9200, e-mail. xxxxx@xxxxxx</div>
</td>
</tr>
</table>
</body>
</html>