// 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 browser_detect(){
	var browser = "";
	if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ //test for Firefox/x.x or Firefox x.x (ignoring remaining digits);
		browser = "ff";
		/*
		var ffversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (ffversion>=3)
		document.write("You're using FF 3.x or above")
		else if (ffversion>=2)
		document.write("You're using FF 2.x")
		else if (ffversion>=1)
		document.write("You're using FF 1.x")
		*/
	}else if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
		browser = "ie";
		/*
		var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (ieversion>=8)
		document.write("You're using IE8 or above")
		else if (ieversion>=7)
		document.write("You're using IE7.x")
		else if (ieversion>=6)
		document.write("You're using IE6.x")
		else if (ieversion>=5)
		document.write("You're using IE5.x")
		*/
	}else if (/Opera[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ //test for Opera/x.x or Opera x.x (ignoring remaining decimal places);
		browser = "opera";
		/*
		var oprversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (oprversion>=10)
		document.write("You're using Opera 10.x or above")
		else if (oprversion>=9)
		document.write("You're using Opera 9.x")
		else if (oprversion>=8)
		document.write("You're using Opera 8.x")
		else if (oprversion>=7)
		document.write("You're using Opera 7.x")
		*/
	}else if (/Safari[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ //test for Opera/x.x or Opera x.x (ignoring remaining decimal places);
		browser = "safari";
		/*
		var oprversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (oprversion>=10)
		document.write("You're using Opera 10.x or above")
		else if (oprversion>=9)
		document.write("You're using Opera 9.x")
		else if (oprversion>=8)
		document.write("You're using Opera 8.x")
		else if (oprversion>=7)
		document.write("You're using Opera 7.x")
		*/		
	}else{
		browser = "na";
	}
	return browser;
}

function browser_version(){
  var $l = /MSIE (\d+\.\d+);/.test(navigator.userAgent);
  var version=new Number(RegExp.$1) // capture x.x portion and store as a number
  return version;
}

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;
  }
  
  if(browser_detect() == "ie"){
    if(browser_version() == 6){
	  top  += -150;
	  left += -100;
	}
  }

  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;
  }
}