function showHide(id){
  if(document.getElementById(id).style.display=="none"){
    document.getElementById(id).style.display="block";
    }
  else{
    document.getElementById(id).style.display="none";
    }
}

function getElementsByStyleClass (className) {
  var all = document.all ? document.all : document.getElementsByTagName('*');
  var elements = new Array();
  for (var e = 0; e < all.length; e++)
    if (all[e].className == className)
      elements[elements.length] = all[e];
  return elements;
}

function hideAll(){
var elements = new Array();
elements= getElementsByStyleClass('startHidden');

	for (var e = 0; e < elements.length; e++){
	elements[e].style.display="none";
	}
}