function showDesc (evt){var targetObj = (evt.target) ? evt.target : evt.srcElement;var url = targetObj.href;var titulo= targetObj.title;Modalbox.show(url,{title: titulo,width: 600,closeString: 'Fechar Janela'});Event.stop(evt);}var linksList = document.getElementsByTagName('a');var linksLength = linksList.length;for( var i = 0; i < linksLength; i++){if ( linksList[i].className == 'showDesc' ){Event.observe(linksList[i], 'click', showDesc );}}