// ----- Ajax Handle Response ------------
function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        //alert(response);
        var vals = new Array();
        if (response.indexOf(d1 != -1)) {
           vals = response.split(d1);
        }
        for (i=0; vals[i]; i++) {
           if(vals[i].indexOf(d2 != -1)) {
                values = vals[i].split(d2);
                switch(values[0]) {
                case 'innerHTML':
                    document.getElementById( values[1] ).innerHTML = values[2];
                    break;
                case 'value':
                    document.getElementById( values[1] ).value = values[2];
                    break;
               }
           }
        } //endfor
    }
}

// ----- Show -----

function at_show()
{
  p = document.getElementById(this["at_parent"]);
  c = document.getElementById(this["at_child" ]);

  showdiv(p.id, c.id);

  clearTimeout(c["at_timeout"]);
}

// ----- Hide -----

function at_hide()
{
  c = document.getElementById(this["at_child"]);

  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 333);
}

// ----- Click -----

function at_click()
{
  p = document.getElementById(this["at_parent"]);
  c = document.getElementById(this["at_child" ]);

  if (c.style.visibility != "visible") showdiv(p.id, c.id);
  else c.style.visibility = "hidden";

  return false;
}

// ----- Attach -----

// PARAMETERS:
// parent   - id of visible html element
// child    - id of invisible html element that will be dropdowned
// showtype - "click" = you should click the parent to show/hide the child
//            "hover" = you should place the mouse over the parent to show
//                      the child
// position - "x" = the child is displayed to the right of the parent
//            "y" = the child is displayed below the parent
// cursor   - Omit to use default cursor or check any CSS manual for possible
//            values of this field

function at_attach(parent, child, showtype, position, cursor, ht, wt)
{
  p = document.getElementById(parent);
  c = document.getElementById(child);

  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c.style.height     = ht;
  c.style.width      = wt;

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      p.onclick     = at_click;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
    case "hover":
      p.onmouseover = at_show;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
  }
}