function writeHeader() {

document.write('<table cellspacing="0" cellpadding="0" border="0">');
document.write('<tr>');
document.write('<td width="20" height="70"><img src="/vet/images/spacer.gif" width="20" height="70" alt="" border="0">');
document.write('</td>');
document.write('<td valign="middle" height="70"><a href="/vet/"><img src="/vet/images/vet_res.gif" width="373" height="35" alt="" border="0">');
document.write('</td>');
document.write('<td><img src="/vet/images/spacer.gif" width="75" height="1" alt="" border="0">');
document.write('</td>');
document.write('<td><a href="/"><img src="/vet/images/vet_wis.gif" width="160" height="56" border="0"></a>');
document.write('</td>');
document.write('</tr>');
document.write('</table>');
}