function header(which)
{
document.write(' <table border="0" width="100%" height="50%" cellpadding="0" cellspacing="0" summary=""> ');	
document.write(' 	<tr> ');	
document.write(' 		<td align="left" class="blueback" width="20"> ');
document.write(' <img src="http://www.library.tufts.edu/vet/common/images/side/blue.gif" alt="" width="20" height="10" border="0"> ');
document.write(' 		</td> ');
document.write(' 		<td align="left" class="navbar" width="20"> ');
document.write(' <img src="http://www.library.tufts.edu/vet/common/images/side/lightblue2.gif" alt="" width="20" height="10" border="0"> ');
document.write(' 		</td> ');
document.write(' 		<td align="left" width="100%" valign="top"> ');
document.write(' <table border="0" width="100%" cellpadding="1" cellspacing="0" summary="" align="center"> ');	
document.write(' 	<tr> ');	
document.write(' 		<td align="left" width="90%" valign="top" class="text"> ');
document.write(' &nbsp; ');
document.write(' 		</td> ');
document.write(' 	</tr> ');
document.write(' </table> ');
<!-- Top Banner and Links -->
document.write(' <table border="0" width="98%" cellpadding="0" cellspacing="0" summary="" align="center"> ');	
document.write(' 	<tr> ');	
document.write(' 		<td align="left" width="90%" class="line" valign="top"> ');
document.write(' <img src="http://www.library.tufts.edu/vet/common/images/banners/buffer.jpg" alt="" width="6" height="20" border="0"> <img src="http://www.library.tufts.edu/vet/common/images/banners/' + which + '.jpg" alt="" width="300" height="20" border="0"> ');
document.write(' 		</td> ');
document.write(' 		<td align="right" width="10%" class="line" valign="top"> ');
document.write(' <img ismap src="http://www.library.tufts.edu/vet/common/images/banners/acc.jpg" alt="" width="200" height="25" border="0" usemap="#link"><map name="link"><area href="http://library.tufts.edu/patroninfo" title="My Account" shape="rect" coords="6,11,86,24"><area href="javascript:printit();" title="Print This Page" shape="rect" coords="98,11,197,24"></map>');
document.write(' 		</td> ');
document.write(' 	</tr> ');
document.write(' </table> ');
}