document.write ('<img border="0" width="166" height="33" src="menu/stroymat_one.jpg"/>');
document.write ('<div class="sub" id="six" style="display: none">');
document.write ('<table border="0" cellpadding="0" cellspacing="2">');
document.write ('<tr><td ><a href="http://www.gkbst.ru/sub_smesi.php"><img width="162" height="33" border="0" src="menu/sub_smesi.jpg"/></a></td></tr>');
document.write ('<tr><td ><a href="http://www.gkbst.ru/sub_stuk.php"><img width="162" height="33" border="0" src="menu/sub_stuk.jpg"/></a></td></tr>');
document.write ('<tr><td ><a href="http://www.gkbst.ru/sub_stone.php"><img width="162" height="33" border="0" src="menu/sub_stone.jpg"/></a></td></tr>');
document.write ('<tr><td ><a href="http://www.gkbst.ru/sub_oboi.php"><img width="162" height="33" border="0" src="menu/sub_oboi.jpg"/></a></td></tr>');
document.write ('<tr><td ><a href="http://www.gkbst.ru/sub_beton.php"><img width="162" height="33" border="0" src="menu/sub_beton.jpg"/></a></td></tr>');
document.write ('</table>');
document.write ('</div>');


function show_hide(obj) {

  if (document.getElementById(obj).style.display == 'none') 
	   document.getElementById(obj).style.display = 'block';
  else document.getElementById(obj).style.display = 'none';

 }