function toggle(id) {
      var element = document.getElementById(id);
      if(element.style.display == 'none') 
        new Effect.BlindDown(element);//element.style.display = 'block';// 
      else
        new Effect.BlindUp(element);//element.style.display = 'none';// 
        
      }
      
  function tree_toggle(link,id) 
  {
    toggle(id);
    if(link.parentNode.className == 'open')
      link.parentNode.className = 'closed';
    else
      link.parentNode.className = 'open';
  }
  
  function get_results(parameters,page,id) {

  	var myConn = new XHConn();
  	var element = document.getElementById(id);

  	if (!myConn) alert("XMLHTTP not available. Try a newer/better browser.");
  	
  	var fnWhenDone = function (data) { element.innerHTML = data.responseText };
  	
  	myConn.connect(page, 'post', parameters, fnWhenDone);
  }