// JavaScript Document


function hideSection(id)
    {
      var objDl = document.getElementById(id);
      if (objDl.style.display = "block")
      {
        objDl.style.display = "none";
        changeClass(id);
      }
    }


function showSection(id)
    {
      var objDl = document.getElementById(id);
      if (objDl.style.display != "block")
      {
        objDl.style.display = "block";
        changeClass(id);
      }
      else
      {
        objDl.style.display = "none";
        changeClass(id);
      }
    }
    
    function changeClass(id)
    { 
      var objD2 = document.getElementById(id);
      if (objD2.className == "dropHeader_closed")
      {
        objD2.className="dropHeader_open";
      }
      else if (objD2.className == "dropHeader_open")
      {
        objD2.className="dropHeader_closed";
      }
    }