rem: return $(element).style.display != 'none'; 
add: return OpenLayers.Util.getElement(element).style.display != 'none'; 
context:   visible: function(element) {    return $(element).style.display != 'none';  },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/c66f1ce3606d1437e5642fabaa0d9667368a1427/BaseTypes.js/buggy/lib/OpenLayers/BaseTypes.js