function toggleDiv(divid){
    if(document.getElementById(divid).style.display == 'none'){
      document.getElementById(divid).style.display = 'block';
    }else{
      document.getElementById(divid).style.display = 'none';
    }
  }



function Toggle(refDiv)
{
	var refBlock = document.getElementById(refDiv.getAttribute("buddy"));
	var visible = refBlock.className == "shown";

	var divClass = visible ? "question plus" : "question minus";
	refDiv.className = divClass;

	var blockClass = visible ? "hidden" : "shown";
	refBlock.className = blockClass;
}