var img_prefix = "http://unbecominglevity.blogharbor.com/pix/";
var img_expand = "comp_expand.gif";
var img_collapse = "comp_collapse.gif";

function CComponentToggle(id_number)
{
  var img_id = "CCI_" + id_number;
  var comp_id = "CCC_" + id_number;

  if (document.getElementById)
  {
    var current_state = document.getElementById(img_id).src;

    if (current_state == img_prefix + img_expand)
    {
      document.getElementById(comp_id).style.display = "block";
      document.getElementById(img_id).src = img_prefix + img_collapse;
    }
    else
    {
      document.getElementById(comp_id).style.display = "none";
      document.getElementById(img_id).src = img_prefix + img_expand;
    }
  }
}