addSubMenu = function(){
	$('#sub_menu').append('<li><a href="wallpapers.html">Wallpapers</a></li><li><a href="carpetsandcurtains.html">Carpets and Curtains</a></li><li><a href="furniture.html">Furniture</a></li><li><a href="embroidery.html">Embroidery</a></li><li><a href="tapestry.html">Tapestry</a></li><li><a href="ceramics.html">Ceramics</a></li><li><a href="stained_glass.html">Stained Glass</a></li><li><a href="books.html">Books and the Kelmscott Press</a></li><li class="last"><a href="rossettiandburnejones.html">Rossetti and Burne-Jones</a></li>');
	// selects the active menu
	var path = location.pathname.substring(1);
	var indx = path.lastIndexOf('/');
	var pagename = path.slice(indx+1);
   if ( path )
     $('#sub_menu a[@href$="' + pagename + '"]').attr('class', 'current-item');
}