// Controls expanding (sliding) ads.
// Use with jquery.js file.
// Example Usage:
/*
<div style="width: 640px;">
  <div id="close" style="text-align: right; display: none;">
    <a href="#" style="text-decoration: none;" onclick="showhide(false); return false;"><img src="/resources/images/ads/expand/close.gif" alt="Close ad" border="0"></a>
  </div>
  <div id="advertisement" style="display: none;"><a href="http://ads.hartenergy.com/openx-2.4.4/www/delivery/ck.php?oaparams=2__bannerid=129__zoneid=112__cb=9d39d210cb__maxdest=http://www.dug2009.com/shop/"><img src="/resources/images/ads/expand/dugvid/dugvid_expanding.jpg" width="640" border="0" height="160"></a></div>

  <div id="open" style="text-align: right;">
    <a href="#" style="text-decoration: none;" onclick="showhide(true); return false;"><img src="/resources/images/ads/expand/dugvid/expand.jpg" width="640" border="0" height="40"></a>
  </div>
</div>
<script type="text/javascript" src="/resources/js/jquery.js"></script>
<script type="text/javascript" src="/resources/js/ad_expand.js"></script>
*/

function showhide(val) {
  if(val) {
    $('#open').hide();
    $('#advertisement').slideDown(1000);
    $('#close').slideDown(1000);
  } else {
    if( document.getElementById('close').style.display != 'none' ) { // Still open
      $('#advertisement').slideUp(1000);
      $('#close').slideUp(1000);
      $('#open').show();
    }
  }
}
$(function(){
  var c_name = 'ad_expand';
  if( document.cookie.length <= 0 || (document.cookie.length>0 && document.cookie.indexOf(c_name)==-1) ) { // Not set
    document.cookie = c_name + "=" +escape( '1' );
    $('#open').hide();
    $('#advertisement').show();
    $('#close').show();
    setTimeout("showhide(false)", 10000);
  } else {
    $('#open').show();
    $('#advertisement').hide();
    $('#close').hide();
  }
});