/************************************************************************ 
Author: Eric Simmons
Contact: info@jswitch.com
Website: http://www.jswitch.com
Version: 1.0 4/2005       
Browser Target: Mozilla 6+/FireFox Netscape 6+, IE 5.0+
Type : XP style sliding dropdown menus (aka Switch Menu II on Dynamicdrive.com)
Note: Modification by Dynamicdrive.com to dynamically determine sub menus widths

DISCLAIMER:
THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT
ANY EXPRESS OR IMPLIED WARRANTIES, JSWITCH.COM
IS NOT RESPONSIBLE FOR ANY ADVERSE AFFECTS TO
YOUR COMPUTER OR SYSTEMS RUNNING THIS SCRIPT.

LICENSE:
YOU ARE GRANTED THE RIGHT TO USE THE SCRIPT
PERSONALLY OR COMMERCIALLY. THE AUTHOR, WEBSITE LINKS 
AND LICENSE INFORMATION IN THE HEADER OF THIS SCRIPT
MUST NOT BE MODIFIED OR REMOVED. 

v 1.0
XP style sliding Menu Bar
***********************************************************************/

var OBJ_SLIDE;
var OBJ_VIEW;
var NEW_PIX_VAL;
var PIX_SLIDE    = 10; //this is the amount of slide/DELAY_SLIDE
var DELAY_SLIDE  = 30; //this is the time between each call to slide
var DIV_HEIGHT   = 22; //value irrelevant
var SUB_MENU_NUM = 0;
var TIMER_SLIDE  = null;
var RE_INIT_OBJ  = null;
var bMenu        = document.getElementById("curMenu");
var MainDiv, SubDiv;

//DD added code
document.write('<div id="tempcontainer" class="mainDiv" style="width: 190px; visibility: hidden; position: absolute"></div>');

function Init(objDiv)
{
  if(TIMER_SLIDE == null)
  {
    SUB_MENU_NUM   = 0;
    MainDiv        = objDiv.parentNode;
    SubDiv         = MainDiv.getElementsByTagName("DIV").item(0);
    SubDiv.onclick = SetSlide;
    OBJ_SLIDE      = MainDiv.getElementsByTagName("DIV").item(1);
    OBJ_VIEW       = OBJ_SLIDE.getElementsByTagName("DIV").item(0);

    document.getElementById("tempcontainer").innerHTML = MainDiv.getElementsByTagName("DIV").item(2).innerHTML; //DD added code
    
    DIV_HEIGHT = document.getElementById("tempcontainer").offsetHeight; //DD added code
    
    for(i=0; i<OBJ_VIEW.childNodes.length; i++)
    {
      if(OBJ_VIEW.childNodes.item(i).tagName == "SPAN")   // SPAN
      {
        SUB_MENU_NUM ++;
        OBJ_VIEW.childNodes.item(i).onmouseover = ChangeStyle;
        OBJ_VIEW.childNodes.item(i).onmouseout  = ChangeStyle;
      }
    }       
    
    if(OBJ_VIEW.getAttribute("state") == 0)
      NEW_PIX_VAL = parseInt(MainDiv.getAttribute("state")); 
    else
      NEW_PIX_VAL = DIV_HEIGHT;
  }
}

function SetSlide()
{   
  anno     = this.getAttribute("id");  
  newState = OBJ_VIEW.getAttribute("state") == 0? 1: 0;

  document.articoloForm.elements["state_" + anno].value = newState;
  
  if(window.TIMER_SLIDE) 
    clearInterval(TIMER_SLIDE); //DD added code
    
  if(TIMER_SLIDE == null && this.parentNode == MainDiv)
    TIMER_SLIDE = setInterval('RunSlide()', DELAY_SLIDE);
  else
  {
    RE_INIT_OBJ = this;
    setTimeout('ReInit()', 200);
  }
}

function ReInit(obj)
{
  Init(RE_INIT_OBJ);
  
  TIMER_SLIDE = setInterval('RunSlide()', DELAY_SLIDE);
  RE_INIT_OBJ = null;
}

function RunSlide()
{  
  if(OBJ_VIEW.getAttribute("state") == 0)
  {  
    NEW_PIX_VAL += PIX_SLIDE;

    if(NEW_PIX_VAL >= DIV_HEIGHT) //DD modified code
    {
      OBJ_SLIDE.style.height = DIV_HEIGHT;
      
      clearInterval(TIMER_SLIDE);
      
      TIMER_SLIDE            = null;
      OBJ_VIEW.style.display = 'inline';
      
      OBJ_VIEW.setAttribute("state", "1");
      MainDiv.setAttribute("state", NEW_PIX_VAL);
    }
    else
      OBJ_SLIDE.style.height = NEW_PIX_VAL;    
  } 
  else
  {
    OBJ_VIEW.style.display = 'none';
    NEW_PIX_VAL -= PIX_SLIDE;
    
    if(NEW_PIX_VAL > 0)
      OBJ_SLIDE.style.height = NEW_PIX_VAL;
      
    if(NEW_PIX_VAL <= 0)
    {
      NEW_PIX_VAL            = 0;
      OBJ_SLIDE.style.height = NEW_PIX_VAL;
      
      clearInterval(TIMER_SLIDE);
      
      TIMER_SLIDE = null;
      OBJ_VIEW.setAttribute("state", "0");
      MainDiv.setAttribute("state", NEW_PIX_VAL);
    }
  }
}

function ChangeStyle()
{
  if(this.className == this.getAttribute("classOut"))
    this.className = this.getAttribute("classOver");
  else
    this.className = this.getAttribute("classOut");
}