function showHeader()
{ 
document.write('<table background="Data/bg-head.gif" width="100%" border="0" cellspacing="0" cellpadding="0">');
document.write('<tr>');
document.write('  <td width=440 background="Data/bg-head.gif" valign="TOP" align="LEFT">');
document.write('      <img src="Data/head-left.gif" border="0" usemap="#cow">');
document.write('  </td>');
document.write('  <td>&nbsp;</td>');
document.write('  <td width="145" valign="TOP" align="RIGHT">');
document.write('      <a href="http://mfa.techart.tnua.edu.tw" target="_blank"><img ');
document.write('         src="Data/techart-g.gif" width="145" border="0" alt="科技藝術研究所"></a><br><img ');
document.write('         src="Data/head-mail.gif" width="145" border="0" usemap="#email"></td>');
document.write('</tr>');
document.write('</table>');
document.write('<img src="Data/space.gif" height="2" width="1"><br>');
document.write('');
document.write('<map name="cow">');
document.write('<area shape="rect" coords="0,0,422,53" ');
document.write('      href="http://techart.tnua.edu.tw/~suchu/www" target="_top">');
document.write('<area shape="rect" coords="316,55,407,69" ');
document.write('      href="http://techart.tnua.edu.tw/~suchu/" target="_blank">');
document.write('</map>');
}