function Toggle(which)
  {
    div = document.getElementById(which);
    visible = (div.style.display != "none")
    if (visible) {
	div.style.display = "none";
	}
    else {
	div.style.display = "block";
	}
  }

function openscenarios()
  {
    var divs =
      document.getElementsByTagName("div");
    for(var i=0; i < divs.length; i++)
    {
      var div = divs[i];
      var id = div.id;
      if ((id != "wrapper") &&
		   (id != "header") &&
	  (id != "nav") &&
	  (id != "content") &&
	  (id != "footer-nav") &&
          (id != "footer"))
      {
        div.style.display = "block";

    }
  }
  }

function closescenarios()
  {
    var divs =
      document.getElementsByTagName("div");
    for(var i=0; i < divs.length; i++)
    {
      var div = divs[i];
      var id = div.id;
      if ((id != "wrapper") &&
		   (id != "header") &&
	  (id != "nav") &&
	  (id != "content") &&
	  (id != "footer-nav") &&
          (id != "footer"))
      {
        div.style.display = "none";
 
    }
  }
  }