function subNav(cat) {
	 if (cat=='about') {
	  document.getElementById("subNav").innerHTML = '<ul id="sub-nav"><li><a href="map-directions.php">Location</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="method-of-payment.php">Method of Payment</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="shipping.php">Shipping</a></li></ul>';
	 }
	 if (cat=='exhibitions') {
	  document.getElementById("subNav").innerHTML = '<ul id="sub-nav"><li><a href="current-exhibition.php">Current</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="previous-exhibition.php">Previous</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="exhibition-calendar.php">Exhibition Calendar</a></li></ul>';
	 }
	 if (cat=='artists') {
	  document.getElementById("subNav").innerHTML = '<ul id="sub-nav"><li style="margin:0 6px;"><a href="artists.php#A">A</a></li><li style="margin:0 6px;"><a href="artists.php#C">C</a></li><li style="margin:0 6px;"><a href="artists.php#D">D</a></li><li style="margin:0 6px;"><a href="artists.php#F">F</a></li><li style="margin:0 6px;"><a href="artists.php#G">G</a></li><li style="margin:0 6px;"><a href="artists.php#H">H</a></li><li style="margin:0 6px;"><a href="artists.php#I">I</a></li><li style="margin:0 6px;"><a href="artists.php#J">J</a></li><li style="margin:0 6px;"><a href="artists.php#K">K</a></li><li style="margin:0 6px;"><a href="artists.php#L">L</a></li><li style="margin:0 6px;"><a href="artists.php#M">M</a></li><li style="margin:0 6px;"><a href="artists.php#N">N</a></li><li style="margin:0 6px;"><a href="artists.php#P">P</a></li><li style="margin:0 6px;"><a href="artists.php#R">R</a></li><li style="margin:0 6px;"><a href="artists.php#S">S</a></li><li style="margin:0 6px;"><a href="artists.php#V">V</a></li><li style="margin:0 6px;"><a href="artists.php#W">W</a></li></ul>';
	 }
	 if (cat=='contact') {
	  document.getElementById("subNav").innerHTML = '<ul id="sub-nav"><li><a href="join-mailing-list.php">Mailing List</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="gift-vouchers.php">Gift Vouchers</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="enquiries.php">Enquiries</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</li><li><a href="artists-submissions.php">Artist\'s Submissions</a></li></ul>';
	 }
	 if (cat=='blank') {
	  document.getElementById("subNav").innerHTML = '<ul id="sub-nav"><li>&nbsp;</li></ul>';
	 }
 }