function horizrule(rhight)
      {
      window.document.write('<table border="0" cellpadding="0" cellspacing="0" height="1" width="100%">');
      window.document.write('<tr>');
      window.document.write('<td valign="top" align="left" bgcolor="#ffffff"><img border="0" src="images/Menu/indent.gif" width="1" height="7" /></td>');
      window.document.write('</tr>');
      window.document.write('<tr>');
      window.document.write('<td valign="top" align="left" bgcolor="#000000"><img border="0" src="images/Menu/indent.gif" width="1" height="' + rhight + '" /></td>');
      window.document.write('</tr>');
      window.document.write('<tr>');
      window.document.write('<td valign="top" align="left" bgcolor="#ffffff"><img border="0"  src="images/Menu/indent.gif" width="1" height="7" /></td>');
      window.document.write('</tr>');
      window.document.write('</table>');
}