// Add event handlers to all certificates links
function initCertificates() {
  if(!document.getElementsByTagName) {
    return;
  }
  var links = document.getElementsByTagName("a");
  for (i = 0; i < links.length; i++) {
    if (links[i].className == 'cert') {
      links[i].onclick = openInNewWindow;
    }  
  }
}

function openInNewWindow() {
  var newWindow = window.open(this.getAttribute('href'), '', 'width=610,height=815,top=50,left=50,resizable=yes');
  newWindow.focus();
  return false;
}

// Cross-browser event handling for IE5+, NS6 and Mozilla 
// By John Resig 
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
 }	else if (obj.attachEvent)	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}

addEvent(window, 'load', initCertificates);