// 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 );
 
  //Add by kingsun he 
  var child_elements_array = p.childNodes;  
  for(i=0;i<4;i++)
  {
      if(child_elements_array[i].tagName=="A")
      {
         var parent_link_id = child_elements_array[i].id;
         break;
      }
  }  
  var parent_width = document.getElementById(parent_link_id).offsetWidth;  
  ///////////////////////////////
  
  var top  = (c["at_position"] == "y") ? p.offsetHeight-2 : 0;
  //Modified by kingsun he
  //var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;
  var left = (c["at_position"] == "x") ? parent_width +20 : 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'",0);
}

// ***** 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;
  }
}




						//SuckerTree Vertical Menu 1.1 (Nov 8th, 06)
						//By Dynamic Drive: http://www.dynamicdrive.com/style/

						function buildsubmenus(){	
						for (var i=0; i<menuids.length; i++){							
						  var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
						    for (var t=0; t<ultags.length; t++){
						        
						    	if(ultags[t].getElementsByTagName("li")[0].className!="nothing")	{					    	
						    	   ultags[t].parentNode.getElementsByTagName("a")[0].className="subfolderstyle";
						    	   ultags[t].style.borderBottom="1px solid #CCC";
						    	}
						        else
						           ultags[t].style.borderBottom="0px solid #CCC";						           
						           
								if (ultags[t].parentNode.parentNode.id==menuids[i]) //if this is a first level submenu
									ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px" //dynamically position first level submenus to be width of main menu item
								else //else if this is a sub level submenu (ul)
								  ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
						    ultags[t].parentNode.onmouseover=function(){
						    this.getElementsByTagName("ul")[0].style.display="block"
						    }
						    ultags[t].parentNode.onmouseout=function(){
						    this.getElementsByTagName("ul")[0].style.display="none"
						    }
						    }
								for (var t=ultags.length-1; t>-1; t--){ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
								ultags[t].style.visibility="visible"
								ultags[t].style.display="none"
								}
						  }
						}