function toggleDiv (divname, newaction) {
      if (newaction == 'toggle') {
           if (document.getElementById(divname).style.display == 'none') {
              document.getElementById(divname).style.display = 'block'
           } else {
              document.getElementById(divname).style.display = 'none'
           }
      } else {
           document.getElementById(divname).style.display = newaction
      }
}