// JavaScript Document
function toggle_visibility(id) {
       var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
    }

function update_visibility(id, showtype) {
       var e = document.getElementById(id);
       if (showtype == 'none')
          e.style.display = 'none';
       else
          e.style.display = 'block';
    }

function updateclass(id, classtype) {
       var e = document.getElementById(id);
       if (classtype == 'active')
          e.className='active';
       else
          e.className='inactive';
}