// JavaScript widgets
function toggle(obj) {

 var div = obj.parentNode.getElementsByTagName("div");

 //for(i=0; i<div.length; i++) {
  var h2 = obj.parentNode.getElementsByTagName("h2");
  if(div[0].style.display != '' || div[0].className != 'wc') {
   div[0].style.display = '';
   div[0].className = 'wc';
   h2[0].className='closed';
  } else {
   div[0].style.display = 'block';
   h2[0].className='opened';
  }
 //}
}