//Chrome Drop Down Menu v2.01- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated: November 14th 06- added iframe shim technique


var cssdropdown={
disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
disablemenuclick: true, //when user clicks on a menu item with a drop down menu, disable menu item's link?
enableswipe: 1, //enable swipe effect? 1 for yes, 0 for no
enableiframeshim: 1, //enable "iframe shim" technique to get drop down menus to correctly appear on top of controls such as form objects in IE5.5/IE6? 1 for yes, 0 for no

//No need to edit beyond here////////////////////////
dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, swipetimer: undefined, bottomclip:0,

getposOffset:function(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
},

swipeeffect:function(){
if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
}
else
return
this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
},

showhide:function(obj, e){
if (this.ie || this.firefox)
this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
if (this.enableswipe==1){
if (typeof this.swipetimer!="undefined")
clearTimeout(this.swipetimer)
obj.clip="rect(0 auto 0 0)" //hide menu via clipping
this.bottomclip=0
this.swipeeffect()
}
obj.visibility="visible"
}
else if (e.type=="click")
obj.visibility="hidden"
},

iecompattest:function(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
},

clearbrowseredge:function(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=this.ie && !window.opera? this.iecompattest().scrollLeft+this.iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=this.ie && !window.opera? this.iecompattest().scrollTop : window.pageYOffset
var windowedge=this.ie && !window.opera? this.iecompattest().scrollTop+this.iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
},

dropit:function(obj, e, dropmenuID){
if (this.dropmenuobj!=null) //hide previous menu
this.dropmenuobj.style.visibility="hidden" //hide menu
this.clearhidemenu()
if (this.ie||this.firefox){
obj.onmouseout=function(){cssdropdown.delayhidemenu();obj.style.color=submenuColor}
//obj.onclick=function(){return !cssdropdown.disablemenuclick} //disable main menu item link onclick?
this.dropmenuobj=document.getElementById(dropmenuID)
this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu();obj.style.color=submenuHoverColor}
this.dropmenuobj.onmouseout=function(e){cssdropdown.dynamichide(e);obj.style.color=submenuColor}
//this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
this.showhide(this.dropmenuobj.style, e)
this.dropmenuobj.x= arrMenu[dropmenuID];
this.dropmenuobj.y= lengthTop;
this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
this.positionshim() //call iframe shim function
obj.style.color = submenuHoverColor
}
},

positionshim:function(){ //display iframe shim function
if (this.enableiframeshim && typeof this.shimobject!="undefined"){
if (this.dropmenuobj.style.visibility=="visible"){
this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
this.shimobject.style.left=this.dropmenuobj.style.left
this.shimobject.style.top=this.dropmenuobj.style.top + 40 //40 is hardcoded since IE does not work
}
this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
}
},

hideshim:function(){
if (this.enableiframeshim && typeof this.shimobject!="undefined")
this.shimobject.style.display='none'
},

contains_firefox:function(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
},

dynamichide:function(e){
var evtobj=window.event? window.event : e
if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
this.delayhidemenu()
else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
this.delayhidemenu()
},

delayhidemenu:function(){
this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay) //hide menu
},

clearhidemenu:function(){
if (this.delayhide!="undefined")
clearTimeout(this.delayhide)
},

startchrome:function(){
for (var ids=0; ids<arguments.length; ids++){
	var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
	for (var i=0; i<menuitems.length; i++){
		if (menuitems[i].getAttribute("rel")){
			var relvalue=menuitems[i].getAttribute("rel")
			menuitems[i].onmouseover=function(e){
				var event=typeof e!="undefined"? e : window.event
				cssdropdown.dropit(this,event,this.getAttribute("rel"))
				//also add hover menuitems effects
				
				
			}
		}
	}
}
if (window.createPopup && !window.XmlHttpRequest){ //if IE5.5 to IE6, create iframe for iframe shim technique
document.write('<IFRAME id="iframeshim"  src="" style="display: none; left: 0; top: 0; z-index: 90; position: absolute; filter: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)" frameBorder="0" scrolling="no"></IFRAME>')
this.shimobject=document.getElementById("iframeshim") //reference iframe object
}
}

}

/************ TOP MENU *******************/

var defaultPageID = "0";
var AboutMenuID = "0";
var InvestorInformationID = "1";
var PBLMediaInvestments  = "2";
var items = new Hashtable();
var timerRememberMenu = 0;

items.put("company_overview.htm", AboutMenuID + "|sm_Company_Overview");
items.put("board_of_directors.htm", AboutMenuID + "|sm_Directors");
items.put("executives.htm", AboutMenuID + "|sm_Executives");
items.put("privacy_policy.htm", AboutMenuID + "|sm_Privacy_Policy");
items.put("contact_us.htm", AboutMenuID + "|sm_Contact_Us");
items.put("corporate_governance.htm", AboutMenuID + "|sm_Corporate_Governance");
items.put("about_us.htm", AboutMenuID + "|sm_About_Us");
items.put("structure.htm", AboutMenuID + "|sm_Structure");

items.put("investor_information.htm", InvestorInformationID);
items.put("download_the_pbl_media_prospectus.htm", InvestorInformationID + "|sm_Download_The_PBL_Media_Prospectus");
items.put("company_announcements_media_releases.htm", InvestorInformationID + "|sm_Media_Centre_Press_Releases");

items.put("nine_network.htm", PBLMediaInvestments + "|sm_Television");
items.put("acp_magazines.htm", PBLMediaInvestments + "|sm_Print");
items.put("ninemsn.htm", PBLMediaInvestments + "|sm_Digital");
items.put("network_nine.htm", PBLMediaInvestments + "|sm_Television");
items.put("nbn.htm", PBLMediaInvestments + "|sm_Television");
items.put("australian_news_channel.htm", PBLMediaInvestments + "|sm_Television");
items.put("acp_magazines_australia.htm", PBLMediaInvestments + "|sm_Print");
items.put("acp_magazines_nz.htm", PBLMediaInvestments + "|sm_Print");
items.put("acp_magazines_uk.htm", PBLMediaInvestments + "|sm_Print");
items.put("acp_magazines_asia.htm", PBLMediaInvestments + "|sm_Print");
items.put("ninemsn.htm", PBLMediaInvestments + "|sm_Digital");
items.put("carsales.htm", PBLMediaInvestments + "|sm_Digital");
items.put("myhome.htm", PBLMediaInvestments + "|sm_Digital");

items.put("ticketek.htm", PBLMediaInvestments + "|sm_Entertainment");
items.put("acer_arena.htm", PBLMediaInvestments + "|sm_Entertainment");
items.put("nbn.htm", PBLMediaInvestments + "|sm_Television");

items.put("management_team_pbl_media.htm", AboutMenuID + "|sm_Executives");
items.put("management_team_acp_magazines.htm", AboutMenuID + "|sm_Executives");
items.put("management_team_nine_network.htm", AboutMenuID + "|sm_Executives");
items.put("management_team_digital.htm", AboutMenuID + "|sm_Executives");
items.put("management_team_entertainment.htm", AboutMenuID + "|sm_Executives");    

function rollover_menu(id)
{

    timerRememberMenu = 0; //clear
	clear_submenu()
	var objsub = document.getElementById(ArraySubMenu[id]);
	objsub.style.left = posXArraySubMenu [id]
	//change background color for Root Menu too..
	var objroot = document.getElementById(ArrayMenu[id]);
	
	objroot.style.backgroundColor = "#17567F";
	objroot.style.borderBottom = "1px solid #17567F";
	//objroot.style.borderRight = ArrayMenuBorderHover[id];	
	objroot.style.color = "#FFFFFF";	
	
}

function clear_submenu()
{
	for(index in ArraySubMenu)
	{
		var obj = document.getElementById(ArraySubMenu[index]);
		obj.style.left = -1000;
		//change background color for Root Menu too..
		var objroot = document.getElementById(ArrayMenu[index]);
	    objroot.style.backgroundColor = "#5EAEE0";
		objroot.style.borderBottom = "1px solid #FFFFFF";
		//objroot.style.borderRight = ArrayMenuBorder[index];	
		objroot.style.color = "#17567F";		
	}	
}

function rollout_submenu()
{
	for(index in ArraySubMenu)
	{
		var obj = document.getElementById(ArraySubMenu[index]);
		obj.style.left = -1000;
		//change background color for Root Menu too..
		var objroot = document.getElementById(ArrayMenu[index]);
	    objroot.style.backgroundColor = "#5EAEE0";
		objroot.style.borderBottom = "1px solid #FFFFFF";
		//objroot.style.borderRight = ArrayMenuBorder[index];	
		objroot.style.color = "#17567F";		
	}
	//rebuild menu
	timerRememberMenu = setTimeout("reloadMenu()",0);
	
}
function reloadMenu()
{
    if(timerRememberMenu > 0)
        loadMenu();
}
function loadMenu()
{
    var pageName = getPageName();
    var hashValue = items.get(pageName);
    if (hashValue != null)	
    {	    
        if (hashValue.indexOf("|") > 0)
        {
            var arrKey = hashValue.split("|");
            rollover_menu(arrKey[0]);
            document.getElementById(arrKey[1]).style.color = submenuHoverColor
        }
        else
        {
            rollover_menu(hashValue);	
        }	    
	}
	else
	    rollover_menu(defaultPageID)
}

function getPageName()
{
    var pageURL = window.location.href;
    if(document.getElementById("MiddleContent__ctl1_hliBackToPressReleases") != null)
    {
        pageURL = document.getElementById("MiddleContent__ctl1_hliBackToPressReleases").href;
    }
    pageURL = pageURL.toLowerCase();
	pageURL = pageURL.substring(pageURL.lastIndexOf("/")+1);

    if (pageURL.indexOf("media_centre") < 0)
    {
	    if (pageURL.indexOf("?") > 0)
	    {
		    pageURL = pageURL.substring(0, pageURL.lastIndexOf("?"));
	    }
    }
	return pageURL;
}

function getLeftSubObj(subobj)
{	
	var tmp = subobj;
	var parentLeft = 0;	
	
	while((tmp=tmp.offsetParent)!=null){		
		parentLeft = parentLeft + tmp.offsetLeft;				
	}
	//parentLeft += subobj.offsetWidth;
	return parentLeft;
}

function getTopSubObj(subobj)
{	
	var tmp = subobj;
	var parentTop = 0;	
	
	while((tmp=tmp.offsetParent)!=null){		
		parentTop = parentTop + tmp.offsetTop;				
	}
	//parentLeft += subobj.offsetWidth;
	return parentTop;
}