// ***** Popup Control *********************************************************

// ***** at_show_aux *****

function at_show_aux(parent, child)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child );

  var top  = (c["at_position"] == "y") ? p.offsetHeight+2 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;

  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }

  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
}

// ***** at_show *****

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

  at_show_aux(p.id, c.id);
  clearTimeout(c["at_timeout"]);
}

// ***** at_hide *****

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

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

// ***** at_click *****

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

  if (c.style.visibility != "visible") at_show_aux(p.id, c.id); else c.style.visibility = "hidden";
  return false;
}

// ***** at_attach *****

// PARAMETERS:
// parent   - id of the parent html element
// child    - id of the child  html element that should be droped down
// showtype - "click" = drop down child html element on mouse click
//            "hover" = drop down child html element on mouse over
// position - "x" = display the child html element to the right
//            "y" = display the child html element below
// cursor   - omit to use default cursor or specify CSS cursor name

function at_attach(parent, child, showtype, position, cursor)
{
  var p = document.getElementById(parent);
  var 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.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;
  }
}


//**********************added***************************

function at_show2(parent, child, img)
{

    try
    {
     var date = new Date();
     var curDate = null;
     do { curDate = new Date(); }
     while(curDate-date < 400);
    }
    catch (err)
    {}

  var p = document.getElementById(parent);
  var c = document.getElementById(child);

  p["at_position"]   = "y"
  c["at_position"]   = "y";

  c.style.position   = "absolute";
  c.style.visibility = "visible";
  
  change_pic(img, "/_layouts/images/proimages/arrow_down_top.gif");

  at_show_aux(p.id, c.id);
  clearTimeout(c["at_timeout"]);
}

function at_hide2(parent, child, img)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child);
  var i = document.getElementById(img);
  
  change_pic(img, "/_layouts/images/proimages/arrow_side_top.gif");
  
  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 333);
}

function change_pic(img_name,img_src) {
document[img_name].src=img_src;
}

function at_attachJS(){
at_attach("sample_attach_src_parent", "sample_attach_src_child", "click", "x", "pointer");

}

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

 function toggle_visibility_with_image(id,img_name,hide_img_src,show_img_src) {
try
{
       var e = document.getElementById(id);
       if(e.style.display == 'block')
       {
          e.style.display = 'none';
          change_pic(img_name, hide_img_src);
       }
       else
       {
          e.style.display = 'block';
          change_pic(img_name, show_img_src);
       }
}
catch (err)
{}
    }

function showElementForNavigation(id){
try
{
var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
}
catch (err)
{}
}