$(document).ready(function() {
  
  $('fieldset.main_collapsed legend.new-legend a.click').click(function() {    
    if(this.parentNode.parentNode.className == 'main_collapsed') {
      var elem = this.parentNode.parentNode.childNodes;    
      for(i=0; i<elem.length; i++) {
        if(elem[i].className == 'main_toggle_content') {
            elem[i].style.display = 'block';
        }
      }      
      this.parentNode.parentNode.className = 'main_toggle';
    } else {
      var elem = this.parentNode.parentNode.childNodes;
      for(i=0; i<elem.length; i++) {
        if(elem[i].className == 'main_toggle_content') {
            elem[i].style.display = 'none';
        }
      }
      this.parentNode.parentNode.className = 'main_collapsed';
    }
    return false;
  });
    
});