/************************************************************************ 
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 TIMER_SLIDE = null;
var OBJ_SLIDE;
var OBJ_VIEW;
var PIX_SLIDE = 10; //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 = 22; //value irrelevant - changed to actual height
var SUB_MENU_NUM =0;
var RE_INIT_OBJ = null;
var bMenu = document.getElementById("curMenu");
var MainDiv,SubDiv
var original_Arrow="images/left_nav/submenu_normal.gif";
var down_Arrow="images/left_nav/submenu_down.gif";
var class_On="subItemOver";
var class_Off="subItem";
var topClass_Off="topItem";
var topClass_On="topItemOver";
var topClass_Down="topItemDown";
var ignore_MO=false;

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

/*window.onload=function() {
	// Initialise the mouseovers
	var divs=document.getElementsByTagName("DIV");
	for(var i=0;i<divs.length;i++) {
		if(divs[i].className=="topItem") {
			divs[i].onmouseover=mouseOver_Change;
			divs[i].onmouseout=mouseOver_Change;
		}
	}
}*/

function loader(obj) {
	if(menu_Location) {
		if(menu_Location=="volunteers") {
			Init(obj);
			DELAY_SLIDE=0;
			SetSlide();
		}
	}
}

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 == "DIV")
            {
                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(this.onmouseover) {
		this.className=topClass_Down;
		this.onmouseover=null;
		this.onmouseout=null;
		//var bg_Div=MainDiv.getElementsByTagName("DIV").item(1);
	    //	bg_Div.className="dropMenu";
		ignore_MO=true;
	} else {
		this.className=topClass_On;
		this.onmouseover=mouseOver_Change;
		this.onmouseout=resetMO;
	}

	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;
        OBJ_SLIDE.style.height = NEW_PIX_VAL;

        if (NEW_PIX_VAL >= DIV_HEIGHT) //DD modified code
        {
            clearInterval(TIMER_SLIDE);
            TIMER_SLIDE = null;
            OBJ_VIEW.style.display = 'inline';
            OBJ_VIEW.setAttribute("state","1")
            MainDiv.setAttribute("state",NEW_PIX_VAL);
            document.location.href="vacancies.aspx";
        }
    } 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);
 	   // var bg_Div=MainDiv.getElementsByTagName("DIV").item(1);
	   // bg_Div.className="dropHidden";
        }
    }
}

function resetMO() {
	this.onmouseout=mouseOver_Change;
	this.className=topClass_Off;
	ignore_MO=false;
}

function mouseOver_Change() {
	mouseOver_doSwap(this);
}

function mouseOver_doSwap(obj) {
	if(ignore_MO)
		return;
	if(obj.className==topClass_On) {
		obj.className=topClass_Off;
	} else {
		obj.className=topClass_On;
	}
}

function ChangeStyle()
{
    if (this.className == class_On)
        this.className = class_Off;
    else
        this.className = class_On;
}