// Copyright (C) 2005-2008 Ilya S. Lyubinskiy. All rights reserved.

// Technical support: http://www.php-development.ru/

//

// YOU MAY NOT

// (1) Remove or modify this copyright notice.

// (2) Re-distribute this code or any part of it.

//     Instead, you may link to the homepage of this code:

//     http://www.php-development.ru/javascripts/dropdown.php

//

// YOU MAY

// (1) Use this code on your website.

// (2) Use this code as part of another product.

//

// NO WARRANTY

// This code is provided "as is" without warranty of any kind.

// You expressly acknowledge and agree that use of this code is at your own risk.





// ***** 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+1 : 20;

  var left = (c["at_position"] == "x") ? p.offsetWidth +1 : 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;

  }

}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}