/************************************************************************ 
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

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. 

The Images being used with this script were created by
Danny Allen (dannya40uk@yahoo.co.uk) and are licensed
under the LGPL. You can find a copy of the LPGL(LGPL.TXT) 
with this source.

--------------

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

var TIMER_SLIDE = null;
var OBJ_SLIDE;
var OBJ_VIEW;
var PIX_SLIDE = 50; //this is the amount of slide/DELAY_SLIDE
var NEW_PIX_VAL;
var DELAY_SLIDE = 30; //this is the time between each call to slide
var DIV_HEIGHT = 26;
var SUB_MENU_NUM =0;
var RE_INIT_OBJ = null;
var bMenu = document.getElementById("curMenu");
var MainDiv,SubDiv

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);
        
        for (i=0;i<OBJ_VIEW.childNodes.length;i++)
        {
            if (OBJ_VIEW.childNodes.item(i).tagName == "SPAN")
            {
                SUB_MENU_NUM ++;
                OBJ_VIEW.childNodes.item(i).onmouseover= ChangeStyle;
                OBJ_VIEW.childNodes.item(i).onmouseout= ChangeStyle;
            }
        }   
        
              NEW_PIX_VAL = parseInt(MainDiv.getAttribute("state")); 
    }

}
function SetSlide()
{   
      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;
        OBJ_SLIDE.style.height = NEW_PIX_VAL;
        if (NEW_PIX_VAL >= DIV_HEIGHT*SUB_MENU_NUM)
        {
            clearInterval(TIMER_SLIDE);
            TIMER_SLIDE = null;
            OBJ_VIEW.style.display = 'inline';
            OBJ_VIEW.setAttribute("state","1")
            MainDiv.setAttribute("state",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");
}